Twenty Thousand Hertz

Mar 05 2025 210 ep. 30 mins 52.8k

Twenty Thousand Hertz Podcast artwork

Sound, Uncovered. The secrets, stories, and science behind what you hear.

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“The Autumn, She’s Been Hit!” The wish that changed Halo forever

Mar 05 2025 46 mins

In the late ‘90s, Brian Johnson and Brian Morden were suburban teenagers obsessed with video games and music. And then, through an extraordinary wish, the two friends found themselves on a journey that made gaming history. In this episode, we explore how a single line of dialogue became a timeless piece of Halo lore, and the profound impact it had on everyone involved. Donate to

Solar Symphony: Listening to the Sun’s hidden “music”

Feb 19 2025 37 mins

What sound can teach us about our Sun? In this episode, we explore how NASA scientists translate electromagnetic waves from the Sun into sound, and even music. Through this process, researchers are gradually unlocking the Sun’s secrets, from the steady “hum” of the star’s rotation, to the way that solar winds “play” the Earth’s magnetosphere like a harp. This story co

Speaker Terror Upper: When Bass Tapes shook the streets

Feb 05 2025 32 mins

In the late '80s and early '90s, a seismic subculture shook the streets… literally. “Boom Cars,” decked out with custom sound systems, roamed neighborhoods blasting the bassiest music ever recorded. But where did this movement come from, and why did it fade away? In this episode, we dive into the world of Miami Bass, dB Drag Racing, and the infamous tapes that could shred you

Radio Station Jingles: 80 Years of Earworms

Jan 22 2025 38 mins

If you turn on the radio, there’s one thing you’re almost guaranteed to hear: a catchy, over the top jingle proclaiming the name and call letters of the radio station. But where did these little tunes come from? Who makes them? And why are they still so common? In this episode, we explore the history of radio ID jingles, and pack in so many earworms, you’re going to need an e

Sound Pro Smackdown: Guess That Sound! w/ 3 industry experts

Dec 04 2024 47 mins

For our fifth annual Mystery Sound Game Show, Dallas invited three friends from the world of professional audio to compete against each other. So crank up the volume and see how many sounds you can guess. Featuring Dialog & ADR Editor Austin Olivia Kendrick, Sound Designer Mike James Gallagher, and Sound Designer Zachary Quarles. If you know what this week's mystery sound is, tell

Dog Translation Guide: Decoding Barks, Howls, & Growls

Nov 20 2024 42 mins

We all know that dogs are smart, sensitive creatures, but interpreting their vocalizations and behaviors can still be a challenge. In this episode, animal behaviorist Daniel Mills reveals the true meanings behind dogs’ noises, actions, and body language. Then, author Pilley Bianchi tells the story of Chaser, the border collie who became known as “The Smartest Dog in the World�

Cat Translation Guide: Decoding Meows, Purrs, & Chirrups

Nov 20 2024 41 mins

Cats can be very vocal creatures, but the exact meaning and intention behind these sounds can often be hard to read. In this episode, cat behaviorist Sarah Brown unpacks the hidden meanings behind cats’ vocalizations, body language and behavior. Then, veterinarian Kendra Baker takes us through her journey with Billi (AKA “Her MADjesty”) the cat who became an online sensation

The Voices of Bluey w/ Uncle Stripe

Oct 23 2024 30 mins

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. If you know what this week'

The Organic Sound of Bluey w/ Sound Designer Dan Brumm

Oct 09 2024 33 mins

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. If you know what this w

"Blah, blah, blah" and the Ungooglable Phrase

Sep 25 2024 30 mins

“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, an