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 exterminator. Featuring Jeanna Isham of Dreamr Productions, Jon Wolfert of JAM Creative Productions, and Erik Huber of ReelWorld Productions.

Twenty Thousand Hertz is produced by Defacto Sound.

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

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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.

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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” for the way that she learned language.

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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 for her use of speaking buttons.

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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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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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“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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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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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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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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