
Twenty Thousand Hertz
The stories behind the world’s most iconic and fascinating sounds.
Latest episodes

13 snips
Aug 26, 2019 • 25min
Hear Here: The messy history of architectural acoustics
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.Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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/hearhere Learn more about your ad choices. Visit megaphone.fm/adchoices

Aug 12, 2019 • 28min
What makes Stradivarius violins so special?
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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. 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 Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 29, 2019 • 29min
808: The drum machine that changed music forever
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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/808 Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 15, 2019 • 32min
Soundmarks: AT&T, United Airlines, and inventive sonic branding
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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/soundmarks Learn more about your ad choices. Visit megaphone.fm/adchoices

Jul 1, 2019 • 28min
Deaf Gain: The promise and controversy of cochlear implants
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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 Learn more about your ad choices. Visit megaphone.fm/adchoices

Jun 17, 2019 • 26min
Plants That Listen (and some that sing)
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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 Data Garden’s plant music at datagarden.org. Episode transcript, music, and credits can be found here: https://www.20k.org/episodes/plantsthatsing Learn more about your ad choices. Visit megaphone.fm/adchoices

Jun 3, 2019 • 26min
Sonic Illusions: Can you really trust your ears?
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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/sonicillusions Learn more about your ad choices. Visit megaphone.fm/adchoices

May 20, 2019 • 25min
Mother of Dragons(sounds): Game of Thrones’ bittersweet sounds
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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/mother-of-dragonsounds Learn more about your ad choices. Visit megaphone.fm/adchoices

May 6, 2019 • 34min
Sound Escapes: Nature’s untouched soundtrack
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. Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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 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 Learn more about your ad choices. Visit megaphone.fm/adchoices

Apr 22, 2019 • 37min
The Voyager Golden Record: Humanity’s message to the cosmos
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.Follow Dallas on Instagram, TikTok, YouTube and LinkedIn.Join our community on Reddit and follow us on 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.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 Learn more about your ad choices. Visit megaphone.fm/adchoices
Remember Everything You Learn from Podcasts
Save insights instantly, chat with episodes, and build lasting knowledge - all powered by AI.