Twenty Thousand Hertz

The Voices of… BLUEY!!! Oct 23, 2024

Despite Bluey’s enormous, global popularity, the cast and crew are a tight-knit family, often literally. In part 2 of our story on Bluey, the show’s sound designer and mixer Dan Brumm breaks down the surprising connections between the voice actors, the real-life inspiration behind classic episodes, and how he ended up voicing a key role on the show.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/thevoicesofbluey

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The Sound of… BLUEY!!! Oct 09, 2024

Since its debut in 2018, Bluey has become one of the most popular and beloved TV shows of all time. In this episode, Bluey’s sound designer and mixer Dan Brumm walks us through how the show began, the unique challenges of season one, and the lengths he goes to give the show its organic sound. Plus, Dallas reveals the secret timing of the Bluey theme song.

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Episode transcript, music, and credits can be found here: 20k.org/episodes/thesoundofbluey

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"blah, blah, blah..." Sep 25, 2024

“Blah, blah, blah” and “yada, yada, yada” have had plenty written about them. But there’s a longtime cousin of these phrases that’s much less understood. We use it all the time, yet it’s not in the dictionary. It’s not even Google-able. In this episode, we investigate the linguistic mysteries of the Five Dah Phenomenon. Featuring linguist & philosopher Paul Saka, and psychologist Helen Abadzi.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/blahblahblah

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Lofi Girl Aug 28, 2024

The Lofi Girl YouTube channel has over 14 millions subscribers, and at any given time, tens of thousands of people are listening together. Created by a mysterious French producer named Dimitri, the channel features a 24/7 livestream of an anime girl studying in her room, listening to lofi hip hop. In this episode, we dive into the Lofi Girl lore, chart the explosion of the Lofi Multiverse, and hear from a music therapist about how lofi affects our brains and behavior. This story was adapted from the Endless Thread podcast.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/lofi-girl

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Sonic Diagnosis Aug 21, 2024

The sounds our bodies make can tell doctors all kinds of surprising things about our health. In this episode, we unpack the history of sound in medical diagnosis, from Hippocratic times, to the invention of the stethoscope, to the specialized tools and AI systems used today. Along the way, we’ll hear detailed recordings of these medical sounds, and learn what each of them means. Featuring Dr. David Steensma and Dr. Daniel Weiss.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/sonic-diagnosis

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The Sound of Apple 2.0 Aug 14, 2024

In Part 2 of our deep dive into Apple’s iconic sound design, the Apple Design Team unpacks the iPhone’s trio of default ringtones, the evolution of their alarm sounds, the UX sounds of the AirPods Pro, and much more. Along the way, legendary beatmaker Flying Lotus breaks down his collaboration with Apple, and the Design Team reveals how they use haptics as a standalone “instrument.” Featuring Billy Sorrentino, Hugo Verweij and Flying Lotus.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/the-sound-of-apple-2

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The Sound of Apple 1.0 Jul 31, 2024

Over the last few decades, Apple has produced some of the most recognizable sounds ever made. In this episode, the Apple design team pulls back the curtain on their sound design philosophy and process, from the evolution of the classic “Tritone” alert, to the surprising origins of the Apple Watch sounds, to the inspiration behind the latest notification tones. Featuring Billy Sorrentino, Hugo Verweij and Kelly Jacklin.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/the-sound-of-apple

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Listener Stories Jun 26, 2024

For this special episode, we’ve passed the mic to our listeners to hear six unexpected stories about sound. Featuring auditory hallucinations, amplified heartbeats, long remembered voices, and whistles both strange and familiar.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/listenerstories

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Nursery Rhymes May 29, 2024

Many of the songs we sing to our children are hundreds of years old, with their original meanings obscured by history. In this episode, producer Leila Battison takes Dallas on a dark, surprising journey through history’s most famous nursery rhymes and lullabies, and up through the “Baby Sharks” and “Happy Songs” of today. Along the way, they share the songs they’ve made up for their own children, and explore why this music is just as important to parents as it is to kids.

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Five Twenty Thousand Hertz episodes that kids would love:

Space Remix (Apple/Spotify)
Minecraft (Apple/Spotify)
Sound 101 with Bill Nye (Apple/Spotify)
Tyrannosaurus FX (Apple/Spotify)
Songbugs (Apple/Spotify)

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/nurseryrhymes

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Silent Sea May 22, 2024

Whale songs are some of the most beautiful, cathartic sounds in nature. These extraordinary creatures use sound to socialize, to mate, to find food, and avoid predators. But for aquatic animals, the sounds of human activity can be absolutely devastating. With underwater noise pollution on the rise, what can we do to ensure the survival of these amazing creatures? Featuring acoustician Al Jones, Professor John Hildebrand of the Scripps Institution of Oceanography, and Vox Senior Producer Christophe Haubursin.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/silentsea

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TikTok’s Boom-Bling May 08, 2024

TikTok’s sonic logo is one of the fastest growing sonic logos in history. Today, that little sound is being heard millions of times a day on apps like Instagram, Reddit and Youtube… but creating it wasn’t easy. To make it, the creative team went through thousands of iterations, executed a covert marketing strategy, and fought through a final debate about a single note. Featuring Roscoe Williamson and Aifric Lennon from MassiveMusic.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tiktoksboombling

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Late Night Apr 17, 2024

The sound of Late Night television is a complex beast with many moving parts. In this episode, we step inside the daily hustle of Broadcast Mixer Fred Hedemark as he and his team bring the sound of Late Night with Seth Meyers to life. Along the way, Fred reveals the highs and lows of working on a high-adrenaline, live-to-tape TV show, and shares some never-heard recordings from his years on the show.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/latenight

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Untranslatable Words Apr 03, 2024

What do you call it when you’re homesick for a place you’ve never been? Is there a word for letting books pile up in your house without reading them? How about weather that looks beautiful out the window, but that you wouldn’t want to go out in? For this episode, we worked with Babbel to bring you our second annual Untranslatable Words challenge. In it, resident linguist Grace East pits the Twenty Thousand Hertz crew against each other in a hilarious and enlightening multilingual game show.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/untranslatablewords

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Hans Zimmer's Remote Control Mar 20, 2024

Hans Zimmer is responsible for some of the most iconic film scores of the last 35 years. So how does one person create so much amazing music? It turns out, he doesn’t do it alone. In this episode, Hans Zimmer’s incredible team pulls back the curtain to reveal their extraordinary creative process, and uncover the secrets behind the otherworldly music of Dune. Featuring Raul Vega, Taurees Habib, Suzanne Waters, Tina Guo, and Steve Mazarro.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hans-zimmers-remote-control

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Aural Obscura Mar 06, 2024

All over the world, there are unique and breathtaking sounds that you can only hear in one specific place. In this episode, we travel to two of the most astounding sonic wonders in the United States. The first is a hidden sound installation in Times Square that might be the most visited art exhibit on Earth. The second is an enormous organ built right into the rock of an ancient Virginian cave. These stories originally aired on the Atlas Obscura podcast.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/auralobscura

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All About That Bass Feb 28, 2024

If you listen to vintage music, one of the first things you’ll notice is the complete lack of bass. But turn on a Top 40 station today, and you’ll hear song after song with deep, sub-ratting bass tones. So how and why did this change happen? For this episode, we worked with OnePlus to tell the story of our collective obsession with bass, and the one device that transformed the sound of popular music. Featuring hip-hop legend DJ Jazzy Jeff and Roland's Paul McCabe.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/allaboutthatbass.

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Industrial Musicals Feb 21, 2024

For more than three decades, it was common for American companies to put on “industrial musicals” for their employees. These elaborate productions could rival Broadway shows, and featured original songs about the company and its products. And while this music was never intended for the general public, once you hear it for yourself, you might just get hooked. This is a story about bathroom remodeling, corporate art, and one man’s obsession with a forgotten corner of pop culture. Featuring comedy writer and collector Steve Young.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/industrialmusicals.

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Into the Huluverse Jan 24, 2024

Today, virtually every streaming platform has a sonic logo, from HBO’s classic “Static Angel” to the iconic Netflix “Tudum.” For Hulu, standing out in such a crowded marketplace has been a process of experimentation and revision. In this episode, we chart the evolution of Hulu’s sonic branding across 5 unique sonic logos. Along the way, the creative team shares unused alternate versions for the first time, and breaks down how they used AI to test their latest sound. Featuring Dan Capstick of DixonBaxi, Matthew Wilcock of Zelig Sound, and Reid Thompson of Hulu.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/intothehuluverse

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Welcome to Twenty Thousand Hertz Jan 17, 2024

The world of sound is full of great stories. To get in touch with your sonic world, follow Twenty Thousand Hertz right here in your podcast player. If you’re already a listener, send this trailer to someone you know would love the show.

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Tournament of Champions Dec 13, 2023

For our fourth annual Mystery Sound Game Show, we pitted the winners from the past three years against each other. The result? Chaos and hilarity. So unclog your ears, put on your listening cap, and get ready to play along. Featuring Travis McElroy, John Lagomarsino and Emily Jankowski.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tournamentofchampions

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Tune Tech Nov 29, 2023

From electric guitars to samplers to drum machines and beyond, the music we love is only possible thanks to the technology used to create it. In many ways, the history of popular music is really a history of technological innovation. In this episode, we partnered with BandLab to unpack four inventions that changed music forever. Featuring author and journalist Greg Milner.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tunetech

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Headphone Handbook Nov 15, 2023

The world of headphones is a deep rabbit hole. With thousands of options and endless technical jargon, it’s hard to know which factors really matter, and which ones are just marketing gimmicks. In this episode, we cut through all of the gobbledygook, and break down the ins and outs of headphones to help you find your perfect pair. Featuring Wirecutter’s resident headphone expert Lauren Dragan.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/headphonehandbook

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Sounds That Sell Nov 01, 2023

Since the earliest days of commercial radio, companies have been using sound to worm their way into our brains. And over the decades, they’ve come up with all kinds of sonic tactics to make us want, crave and remember their products. In this episode, we take a whirlwind tour through the sounds of persuasion. This story was adapted from Under the Influence with Terry O’Reilly.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundsthatsell

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Auto-Tone Oct 18, 2023

The sound of a roaring combustion engine is a fixture of modern life. But as electric vehicles become more and more common, these mechanical sounds will gradually be replaced with artificial tones that have been designed from scratch. And once self-driving cars start to take over, there will be an even bigger need for creative and intuitive sound design. In this episode, we explore the future of car sounds with Audio UX Co-Founder Dexter Garcia and Creative Consultant/Futurist John LePore.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/autotone

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Wilhelm Screamix Oct 04, 2023

For more than seventy years now, filmmakers have been using and reusing a particular scream. Without a doubt, this is Hollywood’s most famous sound effect. Many people even know it by name. But despite how widely-known this sound is, lots of people still don’t know its surprising origin story. To set the record straight, we’ve remixed one of our classic, early episodes. Featuring Steve Lee, sound designer, film historian, and creator of the Hollywood Sound Museum.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/wilhelmscreamix

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Subtitles: On Sep 20, 2023

In recent years, the dialogue in movies and TV shows has gotten harder and harder to understand. No one seems to agree on who or what the main culprit is, much less how to fix the problem. In this episode, we wade into the murky waters of The Great Dialogue Debate, and maybe, just maybe, find a solution. Featuring Production Sound Mixer Tom Curley and Slashfilm Senior Writer Ben Pearson.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/subtitleson

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Mangini's Moments Sep 06, 2023

Mark Mangini is one of the most prolific sound designers of all time. He’s been credited on over 150 films, including Indiana Jones, Star Trek, Aladdin, Space Jam, The Green Mile, Anchorman, Mad Max: Fury Road, Dune, and tons more. In this episode, Mark joins us to count down six of our favorite sonic moments from his career, and reveals the secrets behind how these iconic sounds were made. This episode was made in partnership with Pro Sound Effects.

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The Voice Inside Aug 23, 2023

Many of us talk to ourselves in our heads pretty much all day long. But it turns out that there are plenty of people who don’t. In fact, thinking comes in many shapes and sizes, and no two minds are exactly alike. In this episode, we explore the peculiar world of how we think, and consider the pros and cons of inner speech. Featuring psychologists Charles Fernyhough and Russell Hurlburt, and lots of 20K listeners.

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To learn more about this topic, check out Charles’ book The Voices Within, and Russell’s book Investigating Pristine Inner Experience.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/voiceinside

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Zelda: Tones of the Kingdom Aug 09, 2023

The original Zelda game featured three melodies that would come to define the franchise: the Secret Unlocked Sound, the Treasure Chest sound, and the classic Zelda theme. Throughout the series, these melodies have been transformed again and again. Each version reflects the hardware it was made for, and Nintendo’s evolving approach to these iconic games. Featuring Thomas of Thomas Game Docs, and Kirk Hamilton of Strong Songs.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/zeldatones

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Zelda: A Beep to the Past Jul 26, 2023

Music is a quintessential part of the Zelda series. And some of Zelda’s most iconic melodies go all the way back to the original game, on the Nintendo Entertainment System. These tunes were born in an age of 8 bits, and 5 lo-fi channels of audio. But those limitations forced composer Koji Kondo to make them as distilled and powerful as possible. Featuring Thomas of Thomas Game Docs, and Kirk Hamilton of Strong Songs.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/zeldabeep

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From Cylinders to Streaming Jun 21, 2023

The history of recorded sound stretches back over a hundred and fifty years, starting with a device that could “record” a voice on a piece of paper. Today, we can enjoy lossless streaming anywhere we go… but getting here wasn’t easy. In this episode, we worked with Qobuz, the high quality music platform, to chart the history of audio mediums, from cylinders made of tin foil and wax, to vinyl, 8-track, cassette, CDs, and mp3s. Along the way, we explore the innovations and quirks of each format, with memories sent in from our listeners and the 20K team. Featuring Adam Tovell from the British Library Sound Archive.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/fromcylinderstostreaming

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Seventh-Inning Stretch Jun 07, 2023

Baseball fan or not, there’s one song that virtually every American knows… or at least, we think we do. “Take Me Out to the Ball Game” is one of the top three most recognizable songs in the country, next to “The Star Spangled Banner'' and “Happy Birthday.” But if you dig into the lyrics, you’ll find a forgotten message buried among the peanuts and Cracker Jack. This story comes from the Smithsonian’s Sidedoor podcast.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/seventhinningstretch

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Vocal Stratosphere May 24, 2023

Our vocal system is incredibly complex. What we call “the voice” starts with very precise movements of our vocal cords, and then goes through an entire “resonation system” that includes our throat, mouth, lips, tongue, and teeth. With enough control over these components, people can do some truly mind-bending things with their voices, creating sounds that feel out of this world—from rumbling lows to piercing highs, and even two notes sung at once. This episode features vocal coach Matt Ramsey and Tuvan musician and throat singer Albert Kuvezin.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/vocalstratosphere

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Songbugs May 10, 2023

Why do bugs make the sounds they do? And how do they make them? In this episode, we explore the un-bee-lievable world of insect sounds, including crickets who craft tools to make themselves louder, and moths who can jam the natural sonar of bats. By the time it’s over, you’ll never hear these buzzes and chirps the same way again. Featuring entomologists Natasha Mhatre and Nancy Mioreli.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/songbugs

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Breathe Deep Apr 28, 2023

In honor of Mental Health Awareness month, we’ve revamped one of the most personal episodes we’ve ever worked on. To create it, Dallas worked with the team from Meditative Story to tell a story from his former life as a musician. It’s about losing the thing that had defined his life for more than a decade, and finding something entirely different in the process. This remix concludes with an all-new segment where Dallas reflects on what it was like to finally share this story.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/breathedeep

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The Spatial Race Apr 19, 2023

In the 1960s, stereo sound revolutionized the music industry. But it turns out, a pioneering engineer named Alan Blumlein had actually invented stereo a full three decades earlier. Due to tragic events in World War II, his innovations were forgotten for decades. In this episode, we worked with OnePlus to tell the story of how audio has evolved from mono, to stereo, to quadraphonic, to surround sound and beyond. Today, we even have immersive, three-dimensional systems that can simulate 128 speakers using just two. Featuring Alan Blumlein’s son Simon Blumlein, and sound engineer Robin Reumers from the Abbey Road Institute.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thespatialrace

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Found In Translation Apr 12, 2023

Have you ever seen something so cute that you just wanted to squeeze it? Have you ever felt sleepy after a big meal? Or enjoyed bouncing on a puffy cushion? There are words for all of these, just not in English. In this game show episode, 20K producer and resident linguist Grace East cooks up an “untranslatable” words quiz for Dallas and fellow producer Andrew Anderson. How many words can you guess?

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/foundintranslation

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Insurance Jingles... Why? Mar 22, 2023

For decades, the jingle was king. But in the last twenty years, jingles have nearly gone extinct. Many brands have now dropped their melodic earworms in favor of spoken word slogans. Today, there’s just one industry where jingles are still as common as ever: insurance. The question is, why? Featuring Jeanna Isham of the Sound in Marketing podcast, audio branding expert Colleen Fahey, and Brand Manager Sergio Trujillo.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/insurancejingles

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Soundalikes Mar 08, 2023

“Soundalikes,” also called “voice doubles,” are voice actors who perform as characters that were originally played by someone else. They’re used extensively by studios like Disney and Pixar, in order to keep their iconic characters consistent across games, rides, toys, and TV shows. In live action movies, soundalikes fill in for the leads, and record lines for the film’s many rough cuts. But being a great voice double is about much more than just being a good impressionist. Featuring Rick Dempsey, Holly Dorff, and a surprise guest…

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundalikes

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Golden Feb 22, 2023

In a noisy, tumultuous world, how can we find inner peace? This episode features two stories about the transformative power of silence. In the first, the Lieutenant Governor of Washington State abandons politics to become a Jesuit novice, and takes a temporary vow of silence. In the second, a death row inmate at San Quentin discovers Buddhist practices that help to calm his mind, and embrace compassion. Featuring Cyrus Habib, Jarvis Masters, Leigh Marz, and Justin Zorn.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/golden

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Recalculating Jan 25, 2023

The voices inside our navigation systems are with us nearly every day. They frustrate us when they lead us astray, and guide us through our most memorable adventures. But who are the people behind those voices? In this episode, an Australian musician discovers she is the voice inside millions of GPS units, and the Polish voice of Google Maps goes head to head with a robot. Featuring “The GPS Girl” Karen Jacobsen and “Głos Google Maps” Jarosław Juszkiewicz.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/recalculating

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Endless Hertz Dec 14, 2022

In our third annual Mystery Sound Game Show, the crew from Endless Thread compete to guess the most sounds from this year’s batch. Get ready to listen along and test your knowledge of classic sci-fi movies, strange animal calls, video game themes, UI sounds, and more. One thing is certain: It’s gonna get toasty.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/endlesshertz

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Synth War II: Digital Doom Nov 16, 2022

In the 1960s, Bob Moog and Don Buchla built synthesizers that changed the world. But by the early 80s, they faced a new challenger who threatened to bring it all crumbling down: the digital synthesizer. To defeat this opponent, they’d have to recruit a new ally… and maybe even join forces. Featuring Bob’s daughter Michelle Moog-Koussa, Don’s collaborator Ami Radunskaya, and journalist Ryan Gaston.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/digitaldoom

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Synth War Nov 02, 2022

In the United States, the East Coast and West Coast have rivalries across food, sports, music and more. But there’s another rivalry that’s less well known, but just as important. This standoff created sounds that were unlike anything that had been heard before. It redefined what a musical instrument could be. And it changed the sound of pop music forever. Featuring journalist Ryan Gaston and composer David Rosenboom.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/synthwar

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A Thousand Words Oct 19, 2022

Audio description allows you to enjoy a movie or TV show without the need for any visuals. But how do these narrators strike the right tone for a scene? How do the writers decide what needs to be described? And what’s in store for the future of described audio? In honor of Blindness Awareness Month, this is a brand new story about the world of Audio Description. Featuring AD Narrator Roy Samuleson and AD experts Thomas Reid and Melody Goodspeed.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/athousandwords

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The Booj Strikes Back Oct 05, 2022

In the 80s and 90s, movie trailers were ruled by “voice-of-God” narrators who used stock phrases like, “In a world…” Today, movie studios have a different trick up their sleeves: epic sound design. In this episode, Professor James Deaville explains the history of trailers, and Youtuber Craven Moorhaus crafts a hilarious takedown of the overused clichés of modern blockbuster trailers. We’ve remixed one of our most popular episodes for your listening pleasure.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/boojstrikesback

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1-900-20K-HRTZ Sep 21, 2022

In the late 80s and early 90s, 900 numbers were all the rage. For a couple bucks a minute, you could call and hear from Hulk Hogan and Freddy Kreuger, have a psychic predict your future, and even find true love. In this episode, we dig into the wild world of 900 numbers, and explore why they came about, what made them so appealing, and why they ultimately faded away. Featuring Doug Fraser of the Curious State podcast, 900 number experts Bob Bentz and David Wood, and a surprise guest…

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/1-900

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Tokyo Rose Sep 07, 2022

In World War II, the Japanese military operated a propaganda station called Radio Tokyo. Along with jazz music, the station featured several English-speaking female announcers, who became collectively known as Tokyo Rose. But who was Tokyo Rose? And was she really the treacherous villain that the US government made her out to be? This story comes from the History Daily podcast.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tokyorose

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TikTalk Aug 24, 2022

In 2018, voiceover artist Bev Standing recorded 10,000 sentences for the Chinese Institute of Acoustics. Bev was told the recordings would be used for a translation app, but three years later, she was shocked to discover that she had become the default voice of TikTok in North America. On TikTok, Bev heard herself saying all kinds of wild and inappropriate things. So, she decided to sue. In this episode, Bev tells her story, and we hear from the voice who replaced her.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tiktalk

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Ted Lasso's Dark Forest Aug 10, 2022

Ted Lasso is about more than just an incompetent soccer coach—it’s about overcoming challenges by working together. And that’s exactly what the show’s sound team had to do when the pandemic hit just two episodes in. From creating crowds of thousands using just a few voices, to recording actors in their own closets, they managed to turn lockdown into an opportunity for innovation. Featuring Ted Lasso’s Supervising Sound Editor Brent Findley and Dialog Editor Bernard Weiser.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tedlassosdarkforest

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Handbook for Sonic Happiness Jul 27, 2022

We spend a lot of time curating for taste, touch, smell, and vision. But too often, sound gets overlooked. We forget that we can get rid of sounds that annoy us, and surround ourselves with sounds that we love. When we do, it can have huge benefits for our mood and wellbeing. In this episode, Dr. Laurie Santos of The Happiness Lab joins Dallas to create a Handbook for Sonic Happiness. Featuring auditory psychologist David Poeppel, psychology researcher Giulia Poerio, clinical psychologist Ali Mattu, sound scholar Mac Hagood and acoustician Trevor Cox.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonichappiness

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Shock Horror (A) Jul 13, 2022

There’s a certain musical phrase that you’ve probably heard hundreds of times. It’s used to emphasize dramatic moments in movies, cartoons, commercials and musicals, most often as a gag. But while this little melody is everywhere today, the question is: Where did it come from? In this episode, we investigate the mysterious origins of a famous 3-note sting. Featuring Sound Historian Patrick Feaster and Composer Dick Walter.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/shockhorrora

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Sleight of Ear Jul 06, 2022

What does a sound designer do all day? How do noise canceling headphones really work? And why do modern movie trailers all sound the same? In this follow-up to our 150th episode, Dallas shares the secrets of sound design with Jordan Harbinger. They also discuss audio deepfakes, sonic branding, and the eternal argument over analog vs. digital. This interview comes from The Jordan Harbinger Show.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/slightofear

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Breathe Jun 22, 2022

What if you woke up one day, and found that you could no longer do the thing that gave you the most joy in your life? The thing that gave you purpose? The thing that defined your past, and was supposed to define your future? For our 150th episode, Dallas tells the personal story of how he lost something that meant the world to him… and how that loss eventually led him to become the person he is today. This story comes from the podcast Meditative Story.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/breathe

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Relearning Boléro Jun 08, 2022

In the same way that optical illusions can trick our eyes, auditory illusions can trick our ears. This raises a serious question: what is hearing, and how much of it is actually made up by our brains? In this story from the Unexplainable podcast, we explore how our brains create the sonic world around us, and what it takes to harness that mysterious power. Featuring psychologist Diana Deutsch, hearing researcher Matthew Winn and author Mike Chorost.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/relearningbolero

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Ghosts in the (Hit) Machine May 25, 2022

Many of today’s biggest songs are written and produced by people whose names don’t appear anywhere in the credits. They’re called ghostwriters and ghost producers, and they’re a huge part of the music industry. So what’s it like to watch your song become a hit when you can’t legally talk about it? And how do you get in the mindset of a legendary rap star, in order to write verses for them? Featuring rapper and ghost songwriter Skyzoo and producer Dame Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/ghostsinthehitmachine

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Windows_Logon.wav May 11, 2022

Part 2 of our series on the Windows startup sounds picks up when Microsoft made the radical decision to kill the startup sound in Windows 8. In this episode, we explore the forces that led to that decision, unpack how Microsoft channeled the music of language into their new UI sounds, and reveal 2 secret startup sounds that were nearly lost to time. Featuring former Microsoft Lead UI Designer Jensen Harris and Sound Designer Matthew Bennett.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/windowslogonwav

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Ta-da! It’s Windows Apr 27, 2022

Over the years, Microsoft has made at least ten iconic startup sounds for Windows—from the triumphant “Ta-da!” of Windows 3.1, to the ambient chime that Brian Eno crafted for Windows 95, to the orchestral sweep of Windows XP. In this episode, we explore the creation of the classic Windows startup sounds through Windows 7, and what each one says about Microsoft’s evolving technology. Featuring former Microsoft Lead UI Designer Jensen Harris and Sound Designer Matthew Bennett.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tadaitswindows

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Liquid Terror Apr 13, 2022

For nearly half a century, one eerie sound has been showing up again and again in movies and TV shows. It’s typically used when something spooky or mysterious happens—and it can be heard in Poltergeist, The Matrix, Let the Right One In, and countless episodes of Unsolved Mysteries. So where did this strange sound come from, and how did it spread across Hollywood? This story comes from the podcast Every Little Thing.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/liquidterror

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Mind the Gap Mar 30, 2022

The voices of subway and train announcements are deeply ingrained in peoples’ lives. Many of us hear them every day, for years on end. And yet, hardly anyone knows who those voices belong to. In this episode, we uncover the human stories behind two of the most iconic transit systems in the world: the New York City Subway, and the London Tube. Featuring NYC Subway announcer Charlie Pellett and Tube announcer Elinor Hamilton.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/mindthegap

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Hidden Hitmakers Mar 16, 2022

The names of pop and rock stars are known by millions of people around the world, but the people who actually write their music often stay in the shadows. In this episode, we peel back the curtain on the songwriters behind some of the biggest hits of the last forty years, and find out how this unseen part of the industry really works. Along the way, we’ll get the inside scoop about working with KISS, Bon Jovi, Ricky Martin, Snoop Dogg, Puff Daddy, and more. Featuring songwriter Desmond Child and rapper/songwriter Gizzle.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hiddenhitmakers

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Happy Little Episode Mar 02, 2022

In the forty years since The Joy of Painting first started airing, Bob Ross has become a cultural icon. His gentle, soothing voice is instantly recognizable, and still gives comfort to millions of people around the world. But despite his unshakably cheery demeanor, Bob’s life wasn’t always easy. This is his story. Featuring Sarah Strohl, Executive Assistant at Bob Ross Inc., and Kristin Congdon, author of Happy Clouds, Happy Trees: The Bob Ross Phenomenon.

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Pirate Radio Feb 16, 2022

In the 1960s, the BBC had a vise grip on British radio, and rarely played the pop and rock music that was all the rage. So a group of rebellious radio DJs decided to give the people what they wanted, and started broadcasting popular music from boats stationed in international waters. Soon enough, these young DJs became national superstars… until the British government decided it was time to sink these pirates once and for all. This story comes from the History This Week podcast.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/pirateradio

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Being Dallas Taylor Feb 02, 2022

Your name is so much more than the sound that people call you by. It’s an entire human identity, distilled into a few syllables. So what do six people who share the exact same name have in common? It turns out, much more than you might expect. Follow Dallas down the rabbit hole as he speaks to name expert Laura Wattenberg and five other people named Dallas Taylor.

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Sul Sul Jan 19, 2022

When The Sims was first being developed, the creators faced a problem. They knew they wanted these characters to talk and interact, but they were worried that using a real language would quickly get repetitive and annoying. So, they decided to make one up. This is the story of Simlish: How it was created, why it works so well, and why artists ranging from The Black Eyed Peas to The Flaming Lips have re-recorded their songs in this gibberish language. Featuring Sims Designer & Voiceover Director Claire Curtin, Composer & Audio Director Jerry Martin, voice actress Krizia Bajos, and Youtuber Rachybop.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sulsul

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Aural Exam Dec 15, 2021

For our second annual Mystery Sound competition, we’ve rounded up the 20 best sounds from the past year, and invited the hosts of Underunderstood to test their ears in a competitive guessing game. So bust out those Q-tips, turn up your headphones, and prepare to guess along as we find out who will be the ultimate Mystery Sound Champion.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/auralexam

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HBO 2.0 Dec 01, 2021

In part 2 of our series on HBO, we explore the tough questions that the company faced in the digital era: Are people still willing to sit through a 90-second theme song before they watch a movie? Does the sound of analog TV static even make sense to younger viewers? Could the company change with the times without losing the nostalgia they had built around their key sounds? Featuring composer Ferdinand Jay Smith, former HBO Executive Vice President Bruce Richmond, HBO and HBO Max Head of Brand Marketing Jason Mulderig, and Made Music Studio Creative Director Mickey Alexander.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hbo20

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It's Not TV. It's HBO. Nov 17, 2021

In the 1980s, every movie that aired on HBO began with a truly epic theme song—a sweeping orchestral piece that triggers instant nostalgia for anyone who grew up with it. Then in the 90s, HBO introduced a 5-second audio logo for their original content. Today, we associate that sound with some of the most groundbreaking TV shows of all time. In this episode, we reveal the story behind the creation of these two iconic sounds. Featuring composer Ferdinand Jay Smith and former HBO Executive Vice President Bruce Richmond.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/itsnottvitshbo

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Zzzzzzzzzzzrr... Nov 10, 2021

If you’re a human being, chances are, you know someone who is a big time snorer. You're falling asleep to the gentle sounds of crickets, and then BAM, you hear a snore that sounds like an angry troll. So who was the first snorer? And why is snoring still so popular after all these years? This story, which is definitely about snoring, comes from the podcast Endless Thread.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/zzz

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Creature Speakers Oct 27, 2021

To give voices to the frightening monsters in movies, TV shows, and video games, sound designers often start with animal noises, then apply all kinds of creative processing. But other times, these sounds begin with human voice actors, who absolutely shred their vocal cords for our entertainment. In this episode, we learn the tricks of the terrifying trade. Featuring voice actors DB Cooper and Michael Schwalbe, and sound designer/composer Jordan Chin.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/creaturespeakers

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Video(less) Games Oct 13, 2021

In the past, video games were largely inaccessible to people with visual impairments. But these days, game makers are adding all kinds of innovative options to make their games more accessible. And some developers are creating entire virtual worlds using nothing but sound. Featuring streamer & game consultant Steve Saylor and disability rights advocate Connor Scott-Gardner.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/videolessgames

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Blind Sports Sep 29, 2021

Playing a sport without sight might sound impossible. But it turns out, there are blind athletes all around the world doing exactly that. Instead of using their eyes, these players rely on their ears to hit a pitch, block a throw, and charge across a crowded field. Featuring beep baseball player Ethan Johnston and goalball coach Keith Young.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/blindsports

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Listening to the Movies Sep 15, 2021

When Matthew Shifrin was growing up, his blindness meant that trying to enjoy a movie or TV show was often a confusing and frustrating experience. But then, Matthew discovered something called video description—an extra audio track where a narrator describes the action on screen. And suddenly, everything changed. This story comes from the Radiotopia podcast Blind Guy Travels.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/listeningtothemovies

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Sonic Bubbles Sep 01, 2021

For over a century, humans have been using technology to shape our sonic environment. White noise machines, nature recordings, noise canceling headphones and high-tech hearables all allow us to create an auditory safe space we can escape into. But is it possible to have too much control over what you hear? Featuring media studies professor Mack Hagood.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonicbubbles

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Domestic Symphony Aug 18, 2021

Not long ago, our home appliances made nothing but abrasive beeps and harsh buzzes. In recent years though, these devices have started to chirp and sing with carefully designed tones and melodies. But crafting the "perfect" device sound takes skill, patience, and a lot of trial and error. Featuring Audiobrain Founder/Executive Producer Audrey Arbeeny, and Quiet Mark Founder Poppy Szkiler.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/domesticsymphony

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The Windsor Hum Aug 04, 2021

In 2011, residents of Windsor, Ontario started experiencing a strange rumbling hum that rattled dishes and kept people awake at night. Then, after years of getting nowhere, the mystery of the Windsor Hum was finally solved... Or was it? This is a totally remixed, revoiced, and updated version of one of our oldest and most popular episodes. Featuring documentary filmmaker Adam Makarenko.

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Episode transcript, music, and credits can be found here: www.20k.org/episodes/thewindsorhum

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The Buzzer Jul 21, 2021

Since World War I, countries around the world have been broadcasting mysterious numerical messages via shortwave radio. Though concrete evidence is hard to come by, the general consensus is that these coded messages are meant for undercover agents operating abroad. And one particular Russian station may have an even more sinister purpose. Featuring computer engineer Andrus Aaslaid, historian Maris Goldmanis, and documentary photographer Lewis Bush.

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We’re hiring! Visit defactosound.com/careers for more info.

To dive deeper into numbers stations, visit numbers-stations.com and priyom.org, or check out Lewis’ book, Shadows of the State.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thebuzzer

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Stay Tuned Jul 07, 2021

Nearly a century after they first appeared, the Looney Tunes are back in an all-new series. To bring this iconic franchise into the present, the creators are looking to its past, taking it back to the look and feel of the 1940s. But filling the shoes of legendary voice actor Mel Blanc is easier said than done. Featuring voice actors Eric Bauza and Jeff Bergman, and showrunner Pete Browngardt.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/staytuned

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Prop 'til You Drop Jun 23, 2021

In part 2 of our exploration of Foley, the Warner Brothers Foley team takes us into the all-important prop room. Along the way, they demonstrate how they make the sounds for flapping birds, breaking bones, cracking ice, handling guns, and more. Featuring Foley Artists Alyson Moore and Chris Moriana, and Foley Mixer Darrin Mann.

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Watch The Sounds of Space: A sonic adventure to other worlds

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/proptilyoudrop

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Foley Artists Jun 09, 2021

When it comes to film sound, "Foley Artist" might be the most important job you've never heard of. These performers record custom, synchronized sound effects to create the sounds for characters' footsteps, movements, and much more. It's exhausting and delicate work, and when it's done right, the audience doesn't even notice it's there. In this episode, we tour the Warner Brothers Foley stage with Foley Artists Alyson Moore and Chris Moriana, and Foley Mixer Darrin Mann.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/foleyartists

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The Leaky Pipeline May 26, 2021

In the late 80s, a small French company found a way to pair analog film with pristine digital audio. But getting their system into theaters would involve a long legal battle, hiding out in a Vegas bathroom, and a last-ditch meeting with a famous director. Their struggle is part of a larger narrative about the groundbreaking work of women in the field of professional audio. Featuring audio engineer Leslie Gaston-Bird and LC Concept co-founder Elisabeth Löchen.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/theleakypipeline

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Auditory Icons May 19, 2021

We live in a designed world, and alert tones are no exception. Every beep and ping that your phone or laptop makes probably went through multiple rounds of revisions and approvals. So what separates a good device sound from a bad one? This story comes from the Wireframe podcast, and features sound designer Connor Moore and psychoacoustic expert Susan Rogers.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/auditoryicons

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Progression Obsession May 12, 2021

There are a few specific chord progressions that show up again and again in popular music. Across hundreds of hit songs, the same basic musical formulas have been used by artists ranging from Lynyrd Skynyrd to Lady Gaga, and from Bob Marley to Blink-182. So where did these musical tropes even come from, and what makes them so enduring? Featuring music journalist Jennifer Gersten and comedic musician Benny Davis.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/progressionobsession

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SM7 Apr 28, 2021

Since their founding almost a century ago, Shure has created some of the most iconic microphones ever made. In this episode, we worked with Shure to tell the story of the SM7 dynamic microphone: from its humble beginnings in voiceover studios in the early 70s, to its use on classic albums, to its rediscovery by podcasters and streamers.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sm7

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Minecraft Apr 14, 2021

Since its official release in 2011, Minecraft has grown from a small, experimental indie game into the best-selling video game of all time. Today, the game's haunting music and quirky sound effects are just as iconic as its blocky visuals. In this episode, composer and sound designer Daniel Rosenfeld (also known as C418) unpacks how he created the original music and sounds for the game.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/minecraft

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20th Century Fox Mar 24, 2021

The melodic fanfare that introduces every 20th Century Fox movie was first composed almost a hundred years ago. Since then, it's become one of the most enduring and recognizable pieces of music in modern history. It's survived company acquisitions, competition from television, and changing trends in Hollywood. But nothing lasts forever. Featuring interviews with Academy Award-nominated composer David Newman and film historian Aubrey Solomon.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/20thcenturyfox

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The Deterrent Tone Mar 10, 2021

The Long-Range Acoustic Device, or LRAD, was developed for the military for long-range communication at sea. But this ear-splitting device has also been fired on protesters across America, resulting in lawsuits and permanent hearing loss. In this episode, we explore the history, science and effects of the so-called “sound cannon.” Featuring tech journalist Lynne Peskoe-Yang and activist Michele Lindor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thedeterrenttone

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I'm Lovin' It Feb 24, 2021

Since its introduction in 2003, the McDonald’s “I’m Lovin’ It” jingle has become one of the most recognizable melodies in the world. This is the story of how a catchy five-note jingle conquered the planet, from its humble beginnings at a German ad agency, to being sung by globally famous pop stars. Featuring interviews with "I'm Lovin' It" composers Tom Batoy and Franco Tortora of Mona Davis Beat.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/imlovinit

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Sound 101 with Bill Nye Jan 27, 2021

What is sound, on a fundamental level? How did animals evolve to hear? And what happens when you go faster than sound itself? In this episode, we explore the physics of sound with the legendary Bill Nye.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sound101

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Synesthesia Jan 13, 2021

Synesthesia is a neurological condition where one sensory experience gets combined with another, meaning someone might hear sounds when they eat, or see colors when they listen to music. So what exactly is synesthesia? And what’s it like to go through life with these unique sensory connections? Featuring the voices of neuroscientist Dr. Richard Cytowic and five people with synesthesia.

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Check out Dr. Richard Cytowic’s work at cytowic.net.

Check out Joel Salinas's book Mirror Touch: A Memoir of Synesthesia and the Secret Life of the Brain.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/synesthesia

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Sing Gently Dec 16, 2020

After composer Eric Whitacre finished Virtual Choir number 5 in 2018, he thought the project might be done for good. But 2020 was just around the corner, and the Virtual Choir was far from over. For our last episode of the year, we've re-edited and remixed our episode about the Virtual Choir, and added a brand new section to bring the story up to the present.

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Visit our website to see all six virtual choirs.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/singgently

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Sounds Worth Saving Dec 09, 2020

Alan Lomax believed that the culture of poor Americans was important and worthy of saving. So he spent decades traveling the American South and recording obscure musicians on their front porches, in churches, even in prisons. Today, he's considered an American icon, but the road to becoming a legend wasn't an easy one. Featuring Southern Historical Collection archivist Chaitra Powell, American Folklife Center curator Todd Harvey, and filmmaker Rogier Kappers.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Archival recordings in this episode came from the Alan Lomax Collection at the American Folklife Center, courtesy of the Association for Cultural Equity.

Check out Rogier's documentary "Lomax the Songhunter" on Amazon.

For more information on the crowdsourcing project for transcribing Alan Lomax's notes, visit https://crowd.loc.gov/campaigns/alan-lomax/

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundsworthsaving

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Conlang Dec 02, 2020

Sci-fi and fantasy creators often use constructed languages (or conlangs) to help us believe that the characters come from ancient times or distant galaxies. But what happens when a fictional language jumps off the screen and into the real world? This story comes from the Imaginary Worlds podcast.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/conlang

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Space Audity Nov 18, 2020

We've all heard the iconic recordings from the Apollo missions. But how exactly does NASA manage to run live audio between Earth and the moon? And how might we chat with astronauts on Mars and beyond? Featuring Astronaut Peggy Whitson, NASA Audio Engineer Alexandria Perryman, and Astrophysicist Paul Sutter.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/spaceaudity

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Sonic Utopia Nov 11, 2020

Technology has the power to transform the way our world sounds. It could even give us entirely new ways to experience our surroundings. In this episode, we explore the sounds of the future, and how we can use the tools we already have to build a better sounding world. Featuring Rose Eveleth, Creator and Host of the podcast Flash Forward, Acoustician Andrew Pyzdek, and Architect Chris Downey.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Subscribe to Flash Forward wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonicutopia

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Sound and Silence Oct 28, 2020

Sound surrounds us, even in the quietest moments. But depending on how we hear, the world can be a different auditory experience for each of us. This episode features four stories from the TED Radio Hour.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundandsilence

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Dies Irae Oct 21, 2020

For hundreds of years, composers have been using a specific four-note melody to evoke death. It's appeared in dozens of famous movies, and you probably never even realized it. But once you hear it, you'll start noticing it everywhere. Featuring musicologist Alex Ludwig and Strong Songs Host Kirk Hamilton.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out Alex’s list of Dies Irae examples at alexludwig.net.

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Check out The Graduale Project’s Youtube page for more Latin chants.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/diesirae

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Perfect Pitch Oct 14, 2020

People with perfect or "absolute" pitch hear every single sound as precise musical notes. Is this extraordinary talent a blessing or a curse? In this episode, we dive into the neuroscience, pluses and pitfalls of absolute pitch. Featuring neuroscientist Daniel Levitin and Grammy-winning musician Jacob Collier.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/perfectpitch

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Tyrannosaurus FX Oct 07, 2020

When you imagine the sound of a dinosaur, you probably think of a scene from the Jurassic Park movies. How do sound designers make these extinct creatures sound so believably alive? And what does modern paleontology tell us about what dinosaurs REALLY sounded like? Featuring Jurassic World sound designer Al Nelson, and paleontologist Julia Clarke.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/tyrannosaurusfx

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Napster Sep 30, 2020

In less than two years, Napster became a global sensation... and then record labels and multi-platinum artists brought it crashing down. But in its short lifespan, Napster transformed our ideas about how we consume music, and how much we're willing to pay for it. This story comes from the podcast Spectacular Failures.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/napster

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Vocal Discords Sep 16, 2020

Musicians like Justin Timberlake, Adele, Björk and Rod Stewart have all had surgery to treat vocal nodes. Nodes are so widely discussed, they've almost become a boogeyman in the singing community. But is this condition really as common as people fear? And when nodes do develop, is all hope truly lost? Featuring vocal coach Katie Talbot and Professor and Chairman of the Ear, Nose, and Throat Department at Drexel University of Medicine Dr. Robert Sataloff.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Learn how you can protect your voice at nidcd.nih.gov.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/vocaldiscords

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Deepfake Dallas Sep 02, 2020

Using artificial intelligence, someone can make an algorithm that sounds just like you. And then they can say... whatever they want you to say. We're entering a brand new era: One where you can no longer trust your ears. Welcome to the world of audio deepfakes. Featuring deepfake wizard Tim McSmythurs, cybersecurity expert Riana Pfefferkorn and a brand-new host: Deepfake Dallas.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/deepfakedallas

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The City That Never Sleeps Aug 19, 2020

When writer Paige Towers moved to one of the loudest cities in the world, she found herself overcome with anxiety and depression. She came to realize that the noise of the city itself, and the inability to escape from it, was having a huge impact on her mental health. With the help of the internet, Paige was able to discover a deceptively simple solution. But the negative health implications of noise pollution are anything but simple.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/citythatneversleeps

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Tudum! It's Netflix Aug 05, 2020

The Netflix "Tudum" sound has quickly become one of the most iconic sound logos of our generation. I bet you can hear it in your head right now. This sound is heard countless times, every single day, all over the world. But the Netflix sound was almost very different than the one we know today. Hear the story of how one of the biggest sound logos of all time was made. Featuring Todd Yellin - VP of Product at Netflix, Tanya Kumar - Brand Design Lead at Netflix, and Lon Bender and Charlie Campagna from the Formosa Group.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/netflix

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McElroys, Mysteries and Me Jul 22, 2020

Join Dallas and the McElroy brothers (hosts of My Brother, My Brother and Me) as they compete to see which brother has the best ear. We dust off our old mystery sounds to test the McElroy's on their knowledge of pop culture, science, and the mundane. Which brother has the best ear? Find out, in this heated and hilarious game... of mystery sounds.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out the McElroy brothers' podcasts My Brother, My Brother, and Me and The Adventure Zone at themcelroy.family or wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/mcelroysmysteriesandme

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Hamilton Remix Jul 08, 2020

Broadway’s award-winning, record-breaking, smash hit, Hamilton, is a musical unlike any other. In this special episode, we have re-voiced, remixed, and remastered one of our shows about our favorite broadway musical! Featuring Nevin Steinberg, Hamilton’s Tony-nominated sound designer, Benny Reiner, Grammy-winning Hamilton percussionist, Anna-Lee Craig, Hamilton on Broadway A2, and Broadway sound design legend Abe Jacob.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hamiltonremix

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Stop... Collaborate & Listen Jun 24, 2020

Can you steal from yourself? Can you copyright a mood? We look back on some important copyright cases that could have an impact on the entire future of music making. Featuring Adam Neely and Sandra Aistars.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out Adam’s Youtube channel.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/stopcollaborateandlisten

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Copyrights & Wrongs Jun 10, 2020

Most western music is built on the same 12 notes. Sometimes the arrangement of those notes sounds similar, which raises the question: Theft or Inspiration? We listen to some famous copyright disputes and try to decode them. Featuring Adam Neely and Sandra Aistars.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out Adam’s Youtube channel.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/copyrightsandwrongs

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Makin' Whoopee! May 27, 2020

Farts have been funny to humans for thousands of years. This basic bodily function has countless nicknames around the world, but our fascination with farts is probably best illustrated by the simple whoopee cushion. In this episode from the podcast Brought to You By, Charlie Herman reports on the history of the whoopee cushion and why we can't help but laugh when we hear that sound.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Subscribe to Brought to You By wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/makinwhoopee

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Star Wars: Pew Pew! May 13, 2020

When you think about Star Wars, what’s the first thing that comes to mind? Lightsabers? Spaceships? Alien creatures? What about all of the sounds that go with those things? How were those sounds made, and what makes them so good? In this episode, we explore how legendary Sound Designer Ben Burtt created the sonic universe of Star Wars from scratch, one sound at a time. Featuring Marshall McGhee.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out Marshall’s Youtube channel Waveform.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/starwarspewpew

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That's All Folks! Apr 29, 2020

Mel Blanc is a legendary voice actor who voiced more than 400 distinct characters. But in 1961, Mel was involved in a potentially fatal car accident. In this episode, we discover the unlikely source that saved him and hear how Mel spent his later years. Plus, we explore what it takes to pass the torch. Featuring interviews with Mel’s son, Noel Blanc, and voice actor Bob Bergen.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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We’re nominated for two Webbys! Vote for us at vote.20k.org and voteagain.20k.org!

Discover Bob’s work at bobbergen.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thatsallfolks

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Ehh... What's Up, Doc? Apr 15, 2020

Bugs Bunny, Barney Rubble, Daffy Duck, Porky Pig, Tweety Bird, and many more were all voiced by one man, Mel Blanc. Discover the incredible life and talent that helped to elevate the animation industry into big business. Featuring interviews with Mel’s son, Noel Blanc, and voice actors Debi Derryberry and Bob Bergen.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out more of Debi’s work at debiderryberry.com.

Discover Bob’s work at bobbergen.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/whatsupdoc

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Twenty Parts Per Thousand Apr 01, 2020

The stories behind the world's most recognizable and interesting smells.

Throughout history, humans have gone to great lengths to indulge their sense of smell. We explore the contemporary scent industry to see how modern creatives are utilizing works of olfactory art everywhere from Disney World to high-end museums. Featuring Disney Imagineer Gary Powell and former New York Times scent critic Chandler Burr.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out Chandler’s exhibits at chandlerburr.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/twentypartsperthousand

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Cremona Mar 18, 2020

There’s a town in northern Italy that’s home to the most famous violin makers in history. The museum there holds some of the most unique and prized violins in the world - but we’re in danger of losing their sounds forever. In this episode from the podcast This is Love, Phoebe Judge reports on how a town stayed quiet to preserve an instrument they love.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/cremona

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Satanic Panic! Mar 04, 2020

From the sixties to the nineties parents worried messages hidden in rock albums would make their children do drugs and worship the devil. The truth could only be revealed if these records were played backwards. Bryan Gardiner unveils the history behind the backmasking panic and Curiosity Daily’s Ashley Hamer explains why our brains hear hidden messages... even when they’re not there!

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out Curiosity Daily Podcast wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/satanicpanic

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Noise "R" Us Feb 19, 2020

From See ‘n Say to Speak & Spell, and beyond, toys provide the soundtrack of our childhoods. Huge advancements in computer technology in recent decades mean that today’s toys can make a wider variety of sounds than ever before. In this episode, “The Toy Guy” Chris Byrne takes us on a nostalgic look back at the recent history of recorded sound in toys; then, with Dr. Hamid Djalilian, we consider what all that technological advancement means for young ears in the 21st century.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out Chris Byrne’s podcast The Playground wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/noiserus

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Good Vibes Feb 05, 2020

We know that music has the power to affect our moods, but you might be surprised by just how deep the rabbit hole goes. Music can affect our brains and bodies in profound ways. Professor Jessica Grahn tells us how our love for music has shaped us as humans while Nate Sloan unpacks our appreciation of music, and reveals how it can be used to manipulate us, both for bad and for good.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out Switched On Pop wherever you get your podcasts.

Also, check out Nate Sloan’s new book, Switched on Pop, wherever you get your books.

Follow Jessica Grahn’s music and neuroscience research at the Twitter handle @Neurobeats.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/goodvibes

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4′33″ Jan 22, 2020

John Cage was a respected composer when, in 1952, he created his “silent piece”, 4’33’’ - a piece that would have the music world scratching their heads. This episode asks whether 4’33’’ is really “silent”, and we explore the history of a piece musicians still talk about today - and speak to the man who campaigned to get it to the top the British charts in 2010. Featuring composers Kyle Gann and Nahre Sol, and artist Dave Hilliard.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out Kyle Gann’s No Such Thing as Silence: John Cage's 4'33" wherever you get your books.

See Nahre’s work at nahresol.com.

Find Dave Hilliard on Instragram at davehilliardart.

Listen to more of Martin Zalta Austwick’s music at palebirdmusic.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/433

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Seinfeld Jan 08, 2020

No bass for you!! In 1987, TV composer Jonathan Wolff was still trying to make a name for himself in Hollywood. Then one day, he got a call from Jerry Seinfeld, who needed music for his new sitcom. This is the story behind the unforgettable music of Seinfeld, and how Jonathan Wolff’s unique approach helped make Seinfeld a TV classic."

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Find Jonathan on Instagram and on Twitter.

You can reach Steve at stevelack.com

Check out An Arm and a Leg wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/seinfeld

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Sonic Wonderland Dec 16, 2019

There’s a reason we call tourists “sightseers”. As a society, we’re totally obsessed with the way things look. But our world is full of beautiful, fascinating and bizarre sounds. Join us on a sonic adventure around the world, as we climb up sand dunes, plunge into the Arctic Ocean, and even travel back in time. When we celebrate these treasures, we become better listeners and the world becomes a richer and more exciting place. Featuring Trevor Cox, author of Sonic Wonderlandand Now You’re Talking.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out and subscribe to Reveal wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonicwonderland

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Historically Speaking Dec 02, 2019

Language is a uniquely human gift. We have shaped it to our individual and cultural needs, and it has shaped us in return. Professor Lera Boroditsky reveals how the sounds we make with our mouths influence what’s going on inside our brains. And podcaster Helen Zaltzmann shows us how important language can be to our identities, and what happens when those language identities are challenged.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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The Allusionist is on tour! Check dates and locations at theallustionist.org/events. And if you haven’t already, listen and subscribe to The Allusionist wherever you get your podcasts.

Check out and subscribe to Risk! wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/historicallyspeaking

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Vroom Vroom Nov 18, 2019

When was the last time you turned off your radio and just listened to your car? What’s really going on under the hood? We chat with our own Nick Spradlin about the simple force at the heart of every gasoline engine and talk with legendary recordist Watson Wu about how the sound of wild and powerful sports cars are captured.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

Follow the show on Twitter & Facebook.

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Check out and subscribe to ZigZag wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/vroomvroom

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Baby Shark Nov 04, 2019

Baby Shark is a mega viral YouTube video, an unstoppable earworm, a top 40 hit, a Eurodance smash, a decades old campfire song, and the center of an international copyright dispute. In this episode from the podcast Decoder Ring, we explore the strange history of the song, what makes it so catchy, and who it really belongs to today.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out and subscribe to Decoder Ring wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/babyshark

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Virtual Choir Oct 21, 2019

Singing with others is a powerful form of expression. That's why the composer Eric Whitacre started the Virtual Choir; an experiment that connects singers from every corner of the globe. In this episode, we hear how a choir can unite people from different backgrounds to achieve a common goal - creating beautiful music.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/virtualchoir

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The Price is Right (Yeah, Yeah!) Oct 14, 2019

As a young composer, Edd Kalehoff was looking for his break. In the early 70s he struck gold, writing the theme song and music cues for The Price Is Right.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out The Price is Right Drum Cover on Youtube by RTDUMS2121.

Check out and subscribe to Just the Beginning wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thepriceisright

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The Loudness Wars Oct 07, 2019

In part 2 of the story of mastering, we explore the consequences of the Loudness War and call out some of the worst offenders. We’ll also hear about the artists and mastering engineers who have been fighting back, and learn how modern listening habits might finally put an end to this sonic arms race.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Watch our video shorts on YouTube, and join the discussion on Reddit and Facebook.

Become a monthly contributor at 20k.org/donate.

If you know what this week's mystery sound is, tell us at mystery.20k.org.

Check out Ian Shepherd’s podcast The Mastering Show.

Check out Greg Milner’s book, Perfecting Sound Forever.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/loudnesswars

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The [COMPRESSED] History of Mastering Sep 23, 2019

Join us on a musical journey from the Golden Age of analog mastering to the digital methods of today. We’ll find out why the music industry became obsessed with loudness, and learn how the digital era transformed the way that music sounds. Featuring Greg Milner and Ian Shepherd.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Watch our video shorts on YouTube, and join the discussion on Reddit and Facebook.

Become a monthly contributor at 20k.org/donate.

If you know what this week's mystery sound is, tell us at mystery.20k.org.

Check out Ian Shepherd’s podcast The Mastering Show.

Check out Greg Milner’s book, Perfecting Sound Forever.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/historyofmastering

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You've Got Mail! Sep 16, 2019

How a simple soundbite on America Online became one of the most recognizable sounds of the internet age, plus the creation of a whole new musical instrument. This episode features Elwood Edwards, the man behind the famous AOL “You’ve Got Mail” soundbite, and Bosco and Maya Kante, inventors of the ElectroSpit.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Check out and subscribe to Gastropod wherever you get your podcasts.

Check out and subscribe to Just the Beginning wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/youvegotmail

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Speak Easy Sep 09, 2019

We rarely think about the way we speak. For most of us, it just happens. In this episode, we catch up with two professional voice artists and chat about their rituals and techniques that help them communicate. Featuring voice actor Harry Shearer and NPR vocal coach Jessica Hansen.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Subscribe to Harry's podcast Le Show.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/speakeasy

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Hear Here! Aug 26, 2019

Humans have been fascinated with acoustics since our earliest ancestors. From Roman amphitheaters to modern symphony halls, we’ve designed our spaces with sound in mind. But the relationship between acousticians and architects isn’t always smooth sailing. In this episode, we explore the way acoustics has shaped our history and what we might do to make our spaces sound better today. Featuring Emily Thompson, author of The Soundscape of Modernity and Professor of History at Princeton University, and Trevor Cox, author of Sonic Wonderland and Professor of Acoustic Engineering at the University of Salford.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hearhere

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Stradivarius Aug 12, 2019

Stradivarius violins are reputed to have an exquisite sound that cannot be replicated or explained. Why is that? And what, exactly, is a Stradivarius violin anyway? This episode features interviews with The Strad magazine’s managing editor, Christian Lloyd, and violin maker Joseph Curtin.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Watch our video shorts on YouTube, and join the discussion on Reddit and Facebook.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Can you tell the difference between a Stradivarius violin and a modern violin? Take the informal test here!

Our classical tracks came from Musopen. Check them out at musopen.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/stradivarius

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808 Jul 29, 2019

The 808 is arguably the most iconic drum machine ever made. Even if you’ve never heard of it, you’ve definitely heard it. It’s in dozens of hit songs -- from Usher to Marvin Gaye, Talking Heads to The Beastie Boys -- and its sounds have quietly cemented themselves in the cultural lexicon. In this episode, we try to understand how that happened and follow the unlikely path of the 808. Featuring DJ Jazzy Jeff and Paul McCabe from Roland.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/808

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Soundmarks® Jul 15, 2019

Companies spend a lot of time and effort perfecting the look of their brands. But now what a brand sounds like matters just as much. We trace the history from songs to jingles to what's called sonic branding, following the creative process that led to AT&T’s iconic four-note sound logo. And we'll explore what comes next: multi-sensory marketing. Can sound change how beer tastes? This episode originally aired on Household Name.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundmarks

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Deaf Gain Jul 01, 2019

The last few decades have seen amazing improvements in cochlear implant technology. Professor Michael Dorman reveals what they really sound like, and how they can help out with more than just our hearing. But should we be advocating cochlear implants at all? We chat with deaf graphic designer Brandon Edquist about why he chooses not to use his implant, and why the Deaf community is up in arms against them.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Watch our video shorts on YouTube, and join the discussion on Reddit and Facebook.

Become a monthly contributor at 20k.org/donate.

If you know what this week's mystery sound is, tell us at mystery.20k.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/deafgain

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Plants that Sing Jun 17, 2019

Have you ever wondered what your dog or cat would say to you if they could talk? How about your plant? In this episode we explore the world of bioacoustics and cognitive ecology. Featuring MIDI Sprout creator, Joe Patitucci, and ecologist, Monica Gagliano, who is the author of Thus Spoke the Plant.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Check out Data Garden’s plant music at datagarden.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/plantsthatsing

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Sonic Illusions Jun 03, 2019

What we hear is incredibly personal and we all hear things differently. Sometimes our ears can even play tricks on us. Sonic illusions put a spotlight on the unique function of our hearing and how our backgrounds and biology affect how we process sound. Psychologist Dr. Diana Deutsch and neuroscientist Dana Boebinger explain why our hearing is a unique sense and why sonic illusions can fool us.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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If you know what this week's mystery sound is, tell us at mystery.20k.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonicillusions

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Mother of Dragons(ounds) May 20, 2019

Game of Thrones is a global phenomenon that has redefined the fantasy genre. Viewers from around the world gather every week to anxiously watch what will happen next. The actors, writers, directors, and visual artists have all received well-earned recognition for their role in the show. But some heroes’ work goes largely unnoticed.

Paula Fairfield is the sound designer behind the more fantastical elements in Game of Thrones. She’s given a voice to dragons, direwolves, white walkers, and more. But the story behind these voices goes much deeper than you might think. Hear how Paula’s personal journey played a part in creating some of the most iconic fantasy sounds of the day, and how Game of Thrones helped restore her spirit.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/mother-of-dragonsounds

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Sound Escapes May 06, 2019

Over his long career, Gordon Hempton has mastered the art of truly listening. He’s known as the Sound Tracker. Some people call him an acoustic ecologist. His recordings and books have made him an international expert on the beauty and importance of undisturbed, natural soundscapes — and the ways human beings have changed them.

Now, Gordon Hempton is losing his hearing. But with that loss has come an intense urgency to share his life’s work — and his passion — with as many people as are willing to listen.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out the whole Sound Escapes series at BirdNote.org/SoundEscapes, or wherever you get your podcasts.

Check out Gordon’s work and buy recordings on his website soundtracker.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/soundescapes

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Voyager Golden Record Apr 22, 2019

In the late '70s, NASA launched Voyagers 1 & 2 to explore the furthest reaches of our solar system and beyond. But something amazing was included on those space probes... a 90-minute time capsule of sounds, language, and music from Earth called The Golden Record. Its intended recipient? Any intelligent extraterrestrial life that might stumble upon it. What did Carl Sagan and his team put on the record to represent all of humanity? How would aliens decode it?

For the first time ever, the album will be deconstructed track-by-track. Featuring Tim Ferris and Linda Salzman Sagan, two pioneers behind the record.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Get your copy of the Voyager Golden Record at ozmarecords.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/voyagergoldenrecord

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Birdsong Apr 08, 2019

When was the last time you stopped and really listened to birdsong? Ever wonder what they’re singing about? We chat to Kenn Kaufman and Dr. Irene Pepperberg about the extraordinary complexity to the avian arias, how they’re produced, what they mean, and how vocal acrobatics can reveal a surprising hidden intelligence.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound, and hosted by Dallas Taylor.

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Check out The Growth Show wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/birdsong

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Phone Tones Mar 25, 2019

We unpack how touch tone dialing changed communication forever. Join us on a deep, quirky dive into telephone history. We’ll also deconstruct these sounds and reveal their hidden brilliance. Featuring author Annabel Dodd and telephone aficionado Jim Hebbeln of the Telecommunications History Group.

20K is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out Pessimists Archive wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/phonetones

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The Booj Mar 11, 2019

Movie trailers have undergone a huge evolution. They’ve gone from those cheesy voice-of-God narrators in the ‘80s and ‘90s, to boojes and bwaas. Professor James Deaville delivers the history of trailers, and Youtuber Craven Moorhaus offers a hilarious takedown of the sounds and dialogue that are common in the modern trailer style. After you hear this episode, you’ll never be able to watch a blockbuster trailer the same way again.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Check out more videos from the Auralnauts at youtube.com/Auralnauts.

Check out Song Exploder wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thebooj

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Dining on Decibels Feb 25, 2019

Have you noticed how loud it gets in restaurants these days? Have you found yourselves shouting just to keep a conversation going? Architecture critic Kate Wagner explains how changing design trends have led to dining experiences that aren’t just antisocial, but are negatively impacting our health as well.

Twenty Thousand Hertz is produced at the studios of Defacto Sound and hosted by Dallas Taylor.

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Contribute your local restaurant noise to the SoundPrint app at soundprint.co

Check out Hi-Phi Nation at hiphination.org or wherever you get your podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/diningondecibels

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Do Not Disturb Feb 11, 2019

Alarm sounds have been around almost as long as humans themselves. But as our world has transformed, so have they. Today’s alarms are having an unexpected effect on our minds and bodies, and can even be putting our lives at risk when we’re at our most vulnerable. Dr Judy Edworthy and Yoko Sen talk to us about our alarming sound environment, and how it can be improved.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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You can find HowSound at transom.org/topics/howsound or wherever you listen to podcasts.

Check out Moonshot at moonshot.audio or wherever you listen to podcasts.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/donotdisturb

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Blue! 42! Jan 28, 2019

For decades, NFL strategy slowly evolved from each team running a dozen different plays, to rigid schemes with coaches sending in orders through codewords and secret signals. Then, one piece of audio technology revolutionized the game. Beginning in the early 1990's, the NFL allowed coaches to speak directly to their quarterbacks through radios in their helmets. What followed was an instant increase in excitement for the nation's most popular sport, spawning a high-scoring era of fast paced offenses. Featuring former Super Bowl winning coach, Dick Vermeil, current LA Rams Head Coach Sean McVay, Bose Senior Project Manager Matt Ruwe, and Bose Distinguished Engineer Dan Gauger.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Visit mystery.20k.org to enter this weeks mystery sound.

Subscribe to The Truth wherever you get your podcasts. Or go to the truthpodcast.com.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/blue42

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Silence Jan 14, 2019

Our world is filled with sound. It exists in even the quietest corners of the planet. But what happens when all that sound is taken away? What is silence? There are very few places on Earth where silence actually exists, but in this episode, Dallas experiences it for himself thanks to a special room called an anechoic chamber. How do our brains process the complete nothingness of silence? Find out as Dallas locks himself alone inside the chamber. Featuring David Alvord and Nick Breen from the Georgia Tech Research Institute.

20k is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/silence

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Space Remix Dec 26, 2018

What happens when we leave Earth's thin blanket of atmosphere, and what do other planets sound like? In this special episode, we have completely remixed one of our favorite shows! It's been re-written, re-edited, re-narrated, has new music, and even some new additional content. If you've heard the original, you'll definitely want to check out this remixed and remastered version. Featuring Dr. Lori Glaze, Dr. Keith Noll, Dr. Scott Guzewich from NASA’s Goddard Space Flight Center.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/spaceremix

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Boots 'n Cats Dec 10, 2018

Beatboxing began as an imitation of a drum machine, but over the decades it has evolved as a means to emulate any number of percussive sounds. Now beatboxing is being studied by scientists who are fascinated by the vocal dexterity of artists. By examining beatboxing scientists are hoping to unlock mysteries behind language formation, brain function, and the capacity of humans to recreate sound. Featuring Hip Hop Artist and Beat Boxer, Baba Israel and USC Engineering Professor, Shri Narayanan.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

Check out Shri Narayanan and his SPAN team’s MRI videos of beatboxers at sail.usc.edu/span/beatboxingproject

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/bootsncats

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Being George Clooney Nov 26, 2018

Hollywood films are huge internationally. But how are these films adapted for foreign languages? We delve into the not so talked about process of dubbing. Featuring the world's most popular voice actors, directors, and producers.

Featuring: Andre Sogliuzzo, John Ptak, Shaktee Singh, Debra Chinn, Martin Umbach, Tamer Karadagli, Francesco Pannofino, Detlef Bierstedt, Marco Antonio Costa, Paul Dergarabedian, Rajesh Khattar, Christian Brückner, Emanuela Rossi, Chiara Barzini, Irene Ranzato, Claudia Urbschat-Mingues, Alexandre Gillet, Ezra Weisz, Vanessa Beltran, Samuel Labarthe, Ashwin Mushran, Chuck Mitchell, Christoph Bregler, Gabrielle Pietermann, Luise Helm, Claudia Gvirtzman Dichter, Guilherme Briggs, Samuel Labarthe, Hester Wilcox, Malavika Shivpuri, Viraj Adhav, Mona Shetty, Sheila Dorfman.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

A huge thanks to Director Paul Mariano for allowing us to create this adaptation of documentary!

Thanks to APM Music for all of the music in this episode. Find out more at apmmusic.com.

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If you enjoyed this episode, you’ll love the full documentary. You can find it on iTunes or on Amazon.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/beinggeorgeclooney

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Xbox Startup Sound Nov 12, 2018

The Xbox startup sound is an audio logo that’s become synonymous with the game console. But its origins are rooted in solving a logistical problem; how to entertain gamers while they wait for their machines to finish booting up. Featuring Sound Designer and Composer Brian Schmidt and Sound Designer, Composer and Berklee Professor, Michael Sweet.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/xboxstartupsound

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Theater for the Mind Oct 29, 2018

The "golden age of radio drama" may have been a stellar period for storytelling -- but the stories weren't all golden bright. Sci-fi and horror radio dramas explored deep anxieties people felt from the Depression through the Cold War, and set the stage for later stories that couldn't be told yet without special effects. Eric Molinsky of the podcast Imaginary Worlds co-hosts this episode as we hear from historians like Neil Verma and Richard J. Hand, and radio drama veterans like Dirk Maggs and Richard Toscan. Plus Emory Braswell recalls the day he thought Martians invaded New Jersey.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/theaterforthemind

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The Theremin Oct 15, 2018

If you've ever watched an old sci-fi or horror film, you've probably heard the hair-tingling, alien sounds of the Theremin. It's a spooky, strange instrument that's played without being touched, and has become a staple for classic horror movies. This is the story of the Theremin's mysterious journey. Featuring Thereminist Rob Schwimmer, Michelle Moog-Koussa, daughter of Bob Moog and Executive Director of the Bob Moog Foundation, and Albert Glinsky, courtesy of Moog Music.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/leontheremin

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Classic Cartoon Sound Effects! Oct 01, 2018

Cartoon sound effects are some of the most iconic sounds ever made. Even modern cartoons continue to use the same sound effects from decades ago. How were these legendary sounds made and how have they stood the test of time? Featuring Oscar-winning sound designer Mark Mangini of the Formosa Group, and Advantage Audio’s Heather Olsen.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/cartoon

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Twenty Thousand Hertz Sep 17, 2018

50 episodes! When we launched this podcast two years ago, we never imagined our passion project would come this far. To mark the occasion, we’re taking a peek behind the scenes of the show. Join the Defacto Sound team as they take you into the inspiration, creation, and people behind Twenty Thousand Hertz.

Check out Defacto Sound, the studios that produced Twenty Thousand Hertz, hosted by Dallas Taylor.

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If you're looking for another great podcast, check out Moonshot.

Consider supporting the show at donate.20k.org.

Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/50th

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Jingles Sep 04, 2018

Odds are if we asked you sing your favorite advertising jingle from when you were a kid, you’d be able to recall every single lyric. Yet we don’t hear many advertising jingles these days. Why is that? This is the story of the rise, fall, and brain science of the jingle. In this episode we talk to UCLA’s Timothy D. Taylor, author of The Sounds of Capitalism, and Durham University’s Kelly Jakubowski.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/jingles

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Sonic Branding Aug 20, 2018

We are constantly exposed to sonic branding in television, radio, and web commercials. We deconstruct some of the most impactful audio logos in history and explain how the brain interprets them. Featuring Scott Simonelli, CEO of Veritonic and Walter Werzowa, founder of Musikvergnuegen.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonicbranding

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Loop Groups Aug 06, 2018

Invisible actors create worlds of sound in everything you watch - from Jaws to The Wire. With special guests, Carl Gottlieb, screenwriter and author of "The Jaws Log"; Dann Fink, loop group director and co-owner of Loopers Unlimited; Stuart Stanley, Sound Supervisor; loop group members Eboni Booth, Dennis Carnegie, Axel Avin, Jr., Shannon Burkett, Daphne Gaines, and Rashad Edwards; and Will Ralston, supervising sound editor for The Wire, The Deuce, and Treme.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

This episode was a feature of the incredible podcast Every Little Thing. Go subscribe!

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/loopgroups

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Slot Machines Jul 23, 2018

What do you hear when you walk into a Casino? It can feel like chaos, but each sound is carefully curated to draw you in and make you stay. One collection of sounds are scientifically and artistically designed to keep the gambler, gambling. Slot machines. This episode features interviews with Willie Wilcox, Chief Sound Designer at Scientific Games in Las Vegas, Laura Taylor, composer and sound designer for a number of slot machines across the US, and Karen Collins, who has led extensive research into the sound and music behind these games. Is it addiction or entertainment? Maybe it's both. Pull the lever and listen for yourself.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/slotmachines

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Misophonia Jul 09, 2018

The way our brains process sound affects the way we respond to sound. This episode is about why that happens in those who suffer from misophonia, the hatred of certain sounds. Featuring researcher Dr. Phillip Gander, psychologist Dr. Ali Mattu, and misophonics Meredith Rosol and Josh Furnas.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/misophonia

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THX Deep Note, Part 2 Jun 25, 2018

Whether you're 6 years old, or 96 years old, one of the most memorable parts of going to the movies for the last three decades has been the THX "Deep Note" trailer. Unfortunately, they lost the original sound file. What happened? Also, what do sound designers & musicians think about it? Featuring Andy Moorer, creator of “The Deep Note” and global director of marketing for THX, Rob Cowles. The episode also features Musician, Producer and Professor Thomas Dolby, and Scott Simonelli, the founder of Veritonic.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thxdeepnote2

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THX Deep Note, Part 1 Jun 11, 2018

Since 1983 one of the most memorable parts of going to the movies has been the THX certification played during the previews. The accompanying sound logo called “The Deep Note” has fascinated, terrified, and mystified audiences for over three decades. What is THX really? How was “The Deep Note” created? And why does it elicit such a reaction from those who hear it? Featuring Andy Moorer, creator of “The Deep Note” and global director of marketing for THX, Rob Cowles.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thxdeepnote

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Amen Break May 29, 2018

There’s a sample of music that’s been heard in over 2,000 songs. Odds are you’ve heard it many times and didn’t even realize you were listening to the same breakbeat. The amen break might be the most sampled piece of music in history. Where did it come from? This episode features interviews with artist Nate Harrison and Grammy-winner Richard Louis Spencer.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/amenbreak

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Ultrasonic Tracking May 14, 2018

Did you know your phone is a really good listener? Apps on your phone might be sending and receiving data over ultrasound. Ultrasonic communication is used for everything from tracking your daily habits to enabling light shows at music festivals. We hear from Yale Privacy Lab's Sean O’Brien and Michael Kwet, and privacy and technology counsel Katie McInnis. We also discuss the more positive uses of data over sound with LISNR CEO and co-founder Rodney Williams.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/ultrasonictracking

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ASMR Apr 30, 2018

Do certain sounds give you the head tingles? If yes, this episode is full of ear candy for you! In this episode, we learn all about the phenomenon called autonomous sensory meridian response—or ASMR for short. This soothing episode features researchers Giulia Poerio (University of Sheffield), Craig Richard (ASMRuniversity.com), and ASMR artists Gentle Whispering, Jellybean Green, and Somni Rosae - as well as the team at Defacto Sound!

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/asmr

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Live Theater Apr 16, 2018

Amazing concerts, Broadway musicals, Cirque du Soliel performances, and other live shows live and die on their sound design. This is the story of how sound design for live performances went from zero to speakers in the seats and where the industry might go next. This episode features interviews with sound design legends Abe Jacob and Jonathan Deans.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Check out Business Wars here.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/livetheater

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The Music in Speech Apr 02, 2018

The way you speak has rhythm, timbre, and pitch. It’s more like music than you might think. We chat with The Allusionist host Helen Zaltzman, Martin Zaltz Austwick from Song by Song, Music Psychologist Dr. Ani Patel of Tufts University, and Drum Composer David Dockery on how musical our speech really is.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/themusicinspeech

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Seizure Sonification Mar 19, 2018

Brant Guichard has heard "The Music" for as long as he can remember. Brant has a particular type of epilepsy where he hears what are called "musical auras" whenever he has a seizure. Brian Foo, aka the Data Driven DJ, introduces a different musical element to Brant's experience of seizure.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/seizuresonification

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Hamilton Mar 05, 2018

Broadway’s award-winning, record-breaking, smash hit, Hamilton, is a musical unlike any other. Get the story from people in the room where it happens of how sound helps tell the musical’s story eight times a week. We talk to Nevin Steinberg, Hamilton’s Tony-nominated sound designer, Benny Reiner, Grammy-winning Hamilton percussionist, Anna-Lee Craig, Hamilton on Broadway A2, and Broadway sound design legend Abe Jacob.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hamilton

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Emergency Alert System Feb 19, 2018

When people in Hawaii were falsely alerted of a Ballistic Missile threat, the first thing they heard was the sound of an emergency alert. For decades, this tone has alerted us to local weather emergencies and other important events, but it has never been used for its original purpose. In this episode, we explore the history of the Emergency Alert System and its predecessors. Featuring Kelly Williams, from the National Association of Broadcasters, Frank Lucia former EAS advisor for the FCC, and Wade Witmer from FEMA.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/emergencyalert

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Muzak Feb 05, 2018

“Elevator music” was once the sound of restaurants, offices, and elevators in mid-20th century America. But ironically these bland, string-driven instrumental tracks are never heard in elevators anymore. In this episode, we speak with Joseph Lanza, the author of “Elevator Music,” and Julian Treasure, chairman of The Sound Agency, about the sound of Muzak -- the company that changed the way we think public spaces should sound.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/muzak

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Six O'Clock Soundtrack Jan 22, 2018

Ever wonder how the music on your favorite news stations is created? Dive in with news music appreciator + journalist Victor Vlam; Composer Matthew Kajcienski, Composer Irad Eshel, Composer Adarsh Thottetodi, Composer David Lowe, Musicologist James Deaville, Film and TV studies Professor Deborah Jaramillo to find out.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sixoclocksoundtrack

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3149146093 Jan 08, 2018

A mysterious Tweet from one of the most famous people on Earth: A single phone number, zero context. What does it mean? Why was it posted? Would you call it to find out? For commercial director Duncan Wolfe, this hypothetical became a very real social experiment when his cell phone number was accidentally posted on a very public Twitter account—Former First Lady Michelle Obama!

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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The Gift Dec 25, 2017

The science behind sound reproduction has been studied for centuries. But what will research uncover in the centuries to come? One man made it his life’s mission to find out, and a gift he made to the world will continue that mission for the foreseeable future. Explore the extraordinary life of Dr. Amar Bose in this special holiday episode of Twenty Thousand Hertz. Featuring Ken Jacob from Bose.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/thegift

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Facebook & Google Pixel Dec 11, 2017

There are sounds we interact with every single day and never give a second thought. Our phones, computers, cars, and other devices are constantly communicating with us through user interface sounds and it’s their job to be heard, but not distracting. In this episode, we speak with Will Littlejohn, Facebook’s Director of Sound Design, and Conor O’Sullivan, Sound Design Lead at Google, about the sounds they create that help connect families, friends, and communities.

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Let It Beep Nov 27, 2017

For over two decades, every time you turned on a Mac, you were greeted by a familiar sound. It’s appeared as a punchline in The Simpsons, and in movies like WALL•E. It’s a sound some of us tried to hide from our parents as we turned on the computer in the middle of the night. It’s a sound that’s transcended technology; the sound that makes a Mac feel like a Mac. But no longer; the iconic Mac startup chime is going away.

But, while we all recognize the sound, we rarely think of who made it. On the eve of the boot beep's retirement, Mark Bramhill, from the podcast Welcome to Macintosh talks with creator Jim Reekes about the most fun and iconic sounds he designed during his time at Apple.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/letitbeep

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Disney Parks Nov 13, 2017

Theme parks have a way of transporting us to magical places, and sound is crucial in maintaining the illusion. From the most action-packed attractions to the background music playing between park areas, theme park sound designers have thought of it all. In this episode, we speak to Joe Herrington and Mike Fracassi, two Disney Imagineers who work to maintain the magic for guests of Disney Parks.

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Spooky Sounds Oct 30, 2017

We uncover how scary sound effects are created in horror films as well as dissect how sound triggers the fear mechanisms in humans. Featuring Formosa Group Senior Sound Editor/Sound Designer Trevor Gates and Dan Blumstein, professor of Ecology and Evolutionary Biology at UCLA.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Acoustical Umbilical Cord Oct 17, 2017

Many animals, humans included, are natural-born criers. It’s the most basic form of communication from right when we come into the world. But us humans are unique: we keep on crying until the day we die. What was born as a survival mechanism, develops a deeper fundamental need as we grow older. In this episode, we discover the hard-wiring in our brains that reach across species, and how our tears into adulthood make us distinctively human. Featuring Dr. Susan Lingle, Behavioral Ecologist at the University of Winnipeg, and Dr. Ad Vingerhoets, Research Psychologist at the University of Tilburg.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/acoustical-umbilical-cord

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Level Up Oct 03, 2017

Video games are a growing industry and every play-controlled experience is defined by its harmony of music, sound effects, and voice acting. In this episode, we reveal how these elements of a video game's soundscape are crafted and come together to tell an interactive story. The most sophisticated sound design in video games allows those without the ability to see a chance to engage with some of our greatest modern entertainment. Featuring Microsoft Sound Designer, Zachary Quarles, and ArenaNet Technical Sound Designer, Damian Kastbauer.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/levelup

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Watergate Sep 19, 2017

Watergate might be the most widely-referenced scandal in our nation’s history. The actual word itself has been appropriated in order to name many later scandals. But for a new generation of Americans, the word Watergate might not mean much. What was it? Who was involved and why was it important? Featuring Luke Nichter, author of The Nixon Tapes, and founder of NixonTapes.org.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Sonic Seasoning Sep 05, 2017

Taste is one of our most subjective of the five senses. A flavor that elicits delight in one individual may evoke strong disgust in another. And while we all have a basic understanding of flavor, we rarely think about the other sonic factors that may be affecting how we interpret different tastes. In this episode, we consider the relationship between sound and taste, and the power certain sounds can have over our taste buds. Featuring Charles Spence, head of the Crossmodal Research Laboratory at Oxford University.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/sonicseasoning

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Fight or Flight Aug 22, 2017

Are you afraid to fly? Does even the thought of boarding an airplane make you anxious? You’re not alone. Millions of Americans suffer from clinical aviophobia. While some manage to distract themselves long enough to endure a flight, countless others avoid flying altogether. What are those mysterious sounds that trigger our fears on airplanes? And how do we keep our anxieties from interfering with our lives? Featuring Dr. Devika Fiorillo, Ph.D., a clinical psychologist who specializes in anxiety disorders, and Tom Finnegan, a commercial airline pilot with more than 20 years in the air.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/flight

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Sound Firsts Aug 08, 2017

What is the oldest recorded sound in history? For over 100 years researchers thought they knew until a mind-blowing discovery by historians found something new - and technological advances allowed it to be played back for the first time in history. What is the oldest recording of a musical performance, president, battlefield, television broadcast, cell phone call, and more? Featuring Patrick Feaster, co-founder of FirstSounds.org, three-time Grammy nominee, and Ph.D. in Musicology as well as Lynn Novick, award-winning filmmaker, and co-directing partner of Ken Burns.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Noise Pollution Jul 25, 2017

Noise pollution is something we’ve all experienced. Road construction, motorcycles, passing aircraft - the list goes on and on. Other than being just plain annoying, what effect does noise pollution have on our lives? In this episode, we take a look at the physical and psychological effects of noise pollution on humans, as well as the wider and equally devastating environmental repercussions. Featuring Les Blomberg, executive director of the Noise Pollution Clearinghouse, and Rachel Buxton, acoustic ecologist, conservation biologist, and postdoctoral researcher at Colorado State University.

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20,000 dBs Under the Sea Jul 11, 2017

71% of the Earth is covered by water. And most of us imagine it to be a serene, almost silent world. But why should we have all the fun up here? Discover what sound is like just below the surface and all the way down to the ocean's depths. And see how mankind might be making it unpleasant for everyone and everything that calls the oceans home.Featuring underwater acoustician Al Jones, Professor John Hildebrand from the Scripps Institution of Oceanography, and Christophe Haubursin from Vox.com on special assignment.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/underthesea

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Evolution of Accents Jun 27, 2017

When you describe yourself to others you might mention your height, hairstyle, or maybe your build. But one of the most telling things about you is something you can’t even see, yet it defines you more than you realize. Your accent tells others where you’re from, who you identify with, and maybe even where you’re going. How did accents evolve and why are American accents so different from British accents? Featuring Hollywood Dialect Coach Erik Singer and Linguistics Professor Dr. Walt Wolfram.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/accents

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Forensic Audio Jun 13, 2017

You might not realize it, but audio can be just as crucial to solving a case than video or eyewitness testimony. But understanding how to interpret audio evidence, or having the ability to enhance it to a point of intelligibility, requires highly-specialized training and expensive software. Meet Kent Gibson, one of the country's leading forensic audio experts, who's done audio analysis for the FBI, the Secret Service, and the Department of Homeland Security, among many others, and get his take on audio evidence from the missing Malaysian Airlines flight, the Trayvon Martin case, and Mel Gibson's infamous domestic dispute.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/forensicaudio

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The Wilhelm Scream May 30, 2017

When it comes to movie screams, what’s the first one you think of? Is it a scream that evokes a sense of fear, pain, or maybe even… humor? Perhaps you immediately think about a famous “Scream Queen” or a specific scene from a movie. But you may not realize that the most famous scream in Hollywood has a name—and it’s been used over and over and over in countless films, television shows, and commercials. What makes it so good? And how did it become a filmmaker favorite? Featuring Steve Lee, sound designer, film historian, and creator of the Hollywood Sound Museum.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/wilhelmscream

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Voice Acting May 16, 2017

We hear disembodied voices all the time, in everything from cartoons and anime to commercials and trailers. It seems easy, but it's actually an intricate craft involving a great amount of training. What does it take to create multiple, unique personalities using only a voice? Featuring voice actors Christopher Sabat (Dragonball Z, One Piece) and Cissy Jones (Firewatch, The Walking Dead).

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Hearing Loss May 02, 2017

Our ears are sensitive, but we often don’t treat them that way. We are born with the ability to hear up to 20,000 Hz. As we age, our hearing range diminishes. On top of that, the more exposure we have to loud sounds, the greater the impact it has on our ability to hear. Find out what happens once we start to lose our hearing. Featuring Lindsay Prusick and Shaheem Sanchez (Instagram).

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/hearingloss

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The Good, the Bad & the Irritating Apr 18, 2017

Some sounds are like rug burn for your ears, while others are pleasant and soothing. We explore these sounds and get to the bottom of why we might interpret them as “good” or “bad”. Featuring Tommy Edison and David Poeppel.

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Foley Apr 04, 2017

When you listen to a movie, everything the actor touches sounds crisp and clean. However, none of it was recorded on the movie set. Go behind the scenes with some of the unsung heroes of our movie experience. Featuring Fred Newman and Skywalker Sound’s Foley Team, John Roesch, Shelley Roden, and Scott Curtis.

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Space Mar 21, 2017

When we think about sound, our only reference is what it’s like here on Earth. What happens when we leave this thin blanket of atmosphere, and what do other planets sound like? Featuring Dr. Lori Glaze, Dr. Keith Noll, Dr. Scott Guzewich from NASA’s Goddard Space Flight Center.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/space

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Dolls That Talk... And Some That Listen Mar 07, 2017

Talking dolls have been around for over a century, but the fascination with making inanimate objects seem human reaches back into our early history. What is it about creating a companion that can interact with us, especially for a child, that fascinates us so? And what will that look like as our technology continues to advance? Featuring Carlene Stephens, Curator for the Smithsonian National Museum of American History and Claire Gartland of the Electronic Privacy Information Center.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/dolls

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Cars Feb 21, 2017

Some car sounds are more obvious like the horn or engine... but what about the not-obvious-until-you-point-them-out sounds like the hollow thud of a trunk or the click of a latch? The sounds a car makes are so closely associated with quality, so how, exactly, do car makers handle this aspect of the driving experience? Featuring Car Enthusiast & Sound Mixer Brian Garfield, David Zenlea from Road & Track, and Tom Teknos from Ford.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Audio Descriptions Feb 07, 2017

Did you know there might be a track of audio on your favorite movies and television shows that describe all of the actions on screen? This technology was designed for the visually impaired, but it could be used for the masses. It’s still not as widely provided as some would hope. Meet the consumers and activists fighting for a better-described tomorrow. Featuring Tommy Edison, Robert Kingett, and Colleen Connor.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/audio

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Movie Soundtrack Jan 24, 2017

When you think of a movie soundtrack, you probably think music. And sure, that’s one of the many, many things going on there. What else goes into making a scene sound “natural”? It isn’t what you’d think. Meet a major motion picture sound designer who unpacks all the layers of sound that go into your favorite movies and a woman who gets tigers to sing... on tape. Featuring Sound Designers, Chris Aud and Ann Kroeber.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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From Analog to Digital Jan 10, 2017

The transition from analog to digital seemed like a fairly simple and expected process. So why are so many people reverting back to analog? In this episode, you'll learn about the Jedi skills old radio DJs had to have to spin vinyl on the radio, and meet a man who’s found himself trapped in a digital world and learn what he does to escape. Featuring Rick Adams and Craig Crane.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/analog

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Sound of Extinction Dec 27, 2016

When was the last time you heard a dial-up modem? A dot matrix printer? A CD dropping into its plastic tray? Did you know it would be the last time? We talk to Rick Adams, a British reporter, about the impact of Big Ben being silenced for repairs next year and Madeline Ashby, a futurist, who has some pretty wild ideas of what sounds we’re about to lose... and have already lost but haven’t realized it yet.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/extinction

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Mystery Hum Dec 13, 2016

There's this place right at the border between Detroit, MI, and Windsor, ON where there's this hum… It rattles dishes, makes people sick, it's even making people move away. And the government does not want you to know what's making it. Explore the mystery of the Windsor Hum with the man who is working to get to the bottom of this strange government secret. Featuring documentarian Adam Makarenko.

20K is hosted by Dallas Taylor and made out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/mystery

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8-bit Nov 29, 2016

Primitive, yet iconic, 8-bit audio defined a generation through video game sounds and music. Discover the history and innovation behind those audio marvels that still fascinate today. Featuring Microsoft Sound Designer, Zachary Quarles, and David Murray, The 8-Bit Guy.

Twenty Thousand Hertz is hosted by Dallas Taylor and produced out of the studios of Defacto Sound.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/8-bit

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NBC Chimes Nov 15, 2016

NBC’s three little chimes didn’t just define a television network, they defined a generation. Where did they come from and what is the surprising impact they have had on current and future media? Featuring the last person to play the NBC chimes on the NBC radio network, broadcaster Rick Greenhut, and radio historian, John Schneider.

20K is made out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/nbc

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Siri Nov 01, 2016

When Siri launched in 2011, she permanently changed the way people interacted with their technology. What was it like to be the voice behind that voice? And how did they make that voice come to life? Featuring the original voice of Siri, voice actor Susan Bennett, and Director of Speech to Text Technology for Nuance, Dr. Andrew Breen.

Twenty Thousand Hertz is produced out of the studios of Defacto Sound and hosted by Dallas Taylor.

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Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/siri

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