Twenty Thousand Hertz

A lovingly crafted podcast that reveals the stories behind the world's most recognizable and interesting sounds.

Music
Society & Culture
Arts
151
The Music in Speech
Your voice is an instrument, and the way you choose to sing your words can communicate a lot.
15 min
152
Seizure Sonification
Brant Guichard hears music every time he has a seizure.
26 min
153
Hamilton
Find out how sound design draws the audience into the story.
27 min
154
Emergency Alert System
Explore the history of the notification system that keeps us safe.
23 min
155
Muzak
The company that changed the way public spaces sound.
16 min
156
Six O'Clock Soundtrack
How television news got its score.
23 min
157
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What does Twitter sound like when it comes to life?
22 min
158
The Gift
In this special Holiday Edition, we uncover an incredible gift to sound and research.
21 min
159
The Bleeps, the Sweeps, and the Creeps!
We explore user interface sounds.
22 min
160
Let It Beep
Who was behind the infamous Mac sounds that have become part of your daily routine?
16 min
161
Disney Parks
How does sound design shape our theme park experience?
19 min
162
Spooky Sounds
How does Hollywood create the terrifying sounds in our favorite scary movies, and why does our brain react to those sounds with fear?
23 min
163
Acoustical Umbilical Cord
Why do we cry? ...and how do our tears in adulthood make us distinctively human?
20 min
164
Level Up
Games are often defined by their graphics. How does sound for games work?
20 min
165
Watergate
How did an open reel tape recorder secretly planted in the White House basement lead to the demise of the 37th President of the United States?
23 min
166
Sonic Seasoning
How does our sense of hearing affect our taste buds?
16 min
167
Fight or Flight
Does flying make you nervous? You’re not alone. Dive into the psychological aspects of how sound can trigger these fears, and find out what all of those sounds really are.
23 min
168
Sound Firsts
What are the oldest sound recordings in history?
26 min
169
Noise Pollution
Airplanes, construction, motorcycles - How have these everyday sounds affected our lives and what are the environmental and health repercussions?
17 min
170
20,000 dBs Under the Sea
How has increased ocean traffic affected underwater life? ...and what can we do to reverse these effects?
21 min
171
Evolution of Accents
You may not realize it, but your accent is a window to who you are and where you come from. How do accents evolve?
23 min
172
Forensic Audio
Deciphering audio has become crucial to solving cases, but how do specialists interpret audio evidence?
15 min
173
The Wilhelm Scream
A history of the most iconic scream in movie history that you’ve definitely heard, but might not have heard of.
17 min
174
Voice Acting
Who are the voices behind our favorite cartoon characters and commercials? Take a look behind-the-scenes of voice acting.
16 min
175
Hearing Loss
As we age our hearing naturally diminishes, but what other factors are causing our hearing to disappear? Plus, take an informal hearing test.
17 min