Welcome to Twenty Thousand Hertz

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. Learn …

Tournament of Champions

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 Mc…

Tune Tech

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 e…

Headphone Handbook

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 gobble…

Sounds That Sell

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 e…

Auto-Tone

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…

Wilhelm Scream Remix

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 p…

Subtitles: On

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 …

Mangini’s Moments

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 epi…

The Voice Inside

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 t…

Zelda: Tones of the Kingdom

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 ag…

Zelda: A Beep to the Past

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 aud…

From Cylinders to Streaming

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 e…

Seventh-Inning Stretch

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 “Hap…

Vocal Stratosphere

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 c…

Songbugs

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 ba…

Breathe Deep

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 lo…

The Spatial Race

 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 fo…

Found In Translation

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 …

Insurance Jingles… Why?

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 …

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