Twenty Thousand Hertz

By Dallas Taylor

Arts Music Design

What's Twenty Thousand Hertz about?

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

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1,971 ratings

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LAST EPISODE

#82 | Vroom Vroom

11.18.2019

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 ...

Twenty Thousand Hertz episodes:

11.18.2019 #82 \| Vroom Vroom 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 ...
11.04.2019 #81 I Baby Shark 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 ...
10.21.2019 #80 I Virtual Choir 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 ...
10.14.2019 #79 I The Price is Right (Yeah, Yeah!) 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 ...
10.07.2019 #78 \| The Loudness Wars 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 ...
09.23.2019 #77 \| The [COMPRESSED] History of Mastering 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 ...
09.16.2019 #76 I You've Got Mail! 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 ...
09.09.2019 #75 I Speak Easy 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 ...
08.26.2019 #74 I Hear Here! 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 ...
08.12.2019 #73 I Stradivarius 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 ...
07.29.2019 #72 \| 808 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 ...
07.15.2019 #71 \| Soundmarks® 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 ...
07.01.2019 #70 \| Deaf Gain 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 ...
06.17.2019 #69 \| Plants 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 ...
06.03.2019 #68 \| Sonic Illusions 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 ...
05.20.2019 #67 \| Mother of Dragons(ounds) 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 ...
05.06.2019 #66 \| Sound Escapes 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 ...
04.22.2019 #65 \| Voyager Golden Record 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 ...
04.08.2019 #64 \| Birdsong 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 ...
03.25.2019 #63 \| Phone Tones 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 ...
03.11.2019 #62 \| The Booj 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 ...
02.25.2019 #61 \| Dining on Decibels 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, ...
02.11.2019 #60 \| Do Not Disturb 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 ...
01.28.2019 #59 \| BLUE! 42! 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 ...
01.14.2019 #58 \| Silence 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, ...
01.11.2019 What is 20k? (2019 Trailer) Twenty Thousand Hertz is a lovingly crafted podcast that tells the stories behind the world's most recognizable and interesting sounds. Subscribe now.
12.26.2018 #57 \| Space Remix 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 ...
12.10.2018 #56 \| Boots 'n Cats 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 ...
11.26.2018 #55 \| Being George Clooney 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, ...
11.12.2018 #54 \| Xbox Startup Sound 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 ...
10.29.2018 #53 \| Theater for the Mind 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 ...
10.15.2018 #52 \| The Theremin 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 ...
10.01.2018 #51 \| Classic Cartoon Sound Effects! 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? ...
09.17.2018 #50 \| Twenty Thousand Hertz 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 ...
09.04.2018 #49 \| Jingles 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 ...
08.20.2018 #48 \| Sonic Branding 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, ...
08.06.2018 #47 \| Loop Groups 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, ...
07.23.2018 #46 \| Slot Machines 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 ...
07.09.2018 #45 \| Misophonia 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, ...
06.25.2018 #44 \| THX Deep Note, Part 2 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 ...
06.11.2018 #43 \| THX Deep Note, Part 1 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. ...
05.29.2018 #42 \| Amen Break 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 ...
05.14.2018 #41 \| Ultrasonic Tracking 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. ...
04.30.2018 #40 \| ASMR 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 ...
04.16.2018 #39 \| Live Theater 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 ...
04.02.2018 #38 \| The Music in Speech 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, ...
03.19.2018 #37 \| Seizure Sonification 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, ...
03.05.2018 #36 \| Hamilton 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, ...
02.19.2018 #35 \| Emergency Alert System 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 ...
02.05.2018 #34 \| Muzak “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 ...

Older episodes

11.18.2019 #82 \| Vroom Vroom 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 ...
11.04.2019 #81 I Baby Shark 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 ...
10.21.2019 #80 I Virtual Choir 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 ...
10.14.2019 #79 I The Price is Right (Yeah, Yeah!) 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 ...
10.07.2019 #78 \| The Loudness Wars 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 ...
09.23.2019 #77 \| The [COMPRESSED] History of Mastering 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 ...
09.16.2019 #76 I You've Got Mail! 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 ...
09.09.2019 #75 I Speak Easy 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 ...
08.26.2019 #74 I Hear Here! 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 ...
08.12.2019 #73 I Stradivarius 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 ...
07.29.2019 #72 \| 808 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 ...
07.15.2019 #71 \| Soundmarks® 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 ...
07.01.2019 #70 \| Deaf Gain 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 ...
06.17.2019 #69 \| Plants 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 ...
06.03.2019 #68 \| Sonic Illusions 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 ...
05.20.2019 #67 \| Mother of Dragons(ounds) 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 ...
05.06.2019 #66 \| Sound Escapes 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 ...
04.22.2019 #65 \| Voyager Golden Record 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 ...
04.08.2019 #64 \| Birdsong 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 ...
03.25.2019 #63 \| Phone Tones 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 ...
03.11.2019 #62 \| The Booj 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 ...
02.25.2019 #61 \| Dining on Decibels 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, ...
02.11.2019 #60 \| Do Not Disturb 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 ...
01.28.2019 #59 \| BLUE! 42! 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 ...
01.14.2019 #58 \| Silence 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, ...
01.11.2019 What is 20k? (2019 Trailer) Twenty Thousand Hertz is a lovingly crafted podcast that tells the stories behind the world's most recognizable and interesting sounds. Subscribe now.
12.26.2018 #57 \| Space Remix 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 ...
12.10.2018 #56 \| Boots 'n Cats 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 ...
11.26.2018 #55 \| Being George Clooney 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, ...
11.12.2018 #54 \| Xbox Startup Sound 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 ...
10.29.2018 #53 \| Theater for the Mind 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 ...
10.15.2018 #52 \| The Theremin 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 ...
10.01.2018 #51 \| Classic Cartoon Sound Effects! 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? ...
09.17.2018 #50 \| Twenty Thousand Hertz 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 ...
09.04.2018 #49 \| Jingles 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 ...
08.20.2018 #48 \| Sonic Branding 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, ...
08.06.2018 #47 \| Loop Groups 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, ...
07.23.2018 #46 \| Slot Machines 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 ...
07.09.2018 #45 \| Misophonia 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, ...
06.25.2018 #44 \| THX Deep Note, Part 2 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 ...
06.11.2018 #43 \| THX Deep Note, Part 1 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. ...
05.29.2018 #42 \| Amen Break 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 ...
05.14.2018 #41 \| Ultrasonic Tracking 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. ...
04.30.2018 #40 \| ASMR 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 ...
04.16.2018 #39 \| Live Theater 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 ...
04.02.2018 #38 \| The Music in Speech 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, ...
03.19.2018 #37 \| Seizure Sonification 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, ...
03.05.2018 #36 \| Hamilton 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, ...
02.19.2018 #35 \| Emergency Alert System 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 ...
02.05.2018 #34 \| Muzak “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 ...

Twenty Thousand Hertz

What's Twenty Thousand Hertz about?

Download our free app to listen on your phone

Twenty Thousand Hertz episodes:

#82 | Vroom Vroom

#81 I Baby Shark

#80 I Virtual Choir

#79 I The Price is Right (Yeah, Yeah!)

#78 | The Loudness Wars

#77 | The [COMPRESSED] History of Mastering

#76 I You've Got Mail!

#75 I Speak Easy

#74 I Hear Here!

#73 I Stradivarius

#72 | 808

#71 | Soundmarks®

#70 | Deaf Gain

#69 | Plants that Sing

#68 | Sonic Illusions

#67 | Mother of Dragons(ounds)

#66 | Sound Escapes

#65 | Voyager Golden Record

#64 | Birdsong

#63 | Phone Tones

#62 | The Booj

#61 | Dining on Decibels

#60 | Do Not Disturb

#59 | BLUE! 42!

#58 | Silence

What is 20k? (2019 Trailer)

#57 | Space Remix

#56 | Boots 'n Cats

#55 | Being George Clooney

#54 | Xbox Startup Sound

#53 | Theater for the Mind

#52 | The Theremin

#51 | Classic Cartoon Sound Effects!

#50 | Twenty Thousand Hertz

#49 | Jingles

#48 | Sonic Branding

#47 | Loop Groups

#46 | Slot Machines

#45 | Misophonia

#44 | THX Deep Note, Part 2

#43 | THX Deep Note, Part 1

#42 | Amen Break

#41 | Ultrasonic Tracking

#40 | ASMR

#39 | Live Theater

#38 | The Music in Speech

#37 | Seizure Sonification

#36 | Hamilton

#35 | Emergency Alert System

#34 | Muzak

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