Twenty Thousand Hertz+

The stories behind the world’s most iconic and fascinating sounds.

Design
Arts
Music Commentary
201
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
202
Acoustical Umbilical Cord
Why do we cry? ...and how do our tears in adulthood make us distinctively human?
20 min
203
Level Up
Games are often defined by their graphics. How does sound for games work?
20 min
204
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
205
Sonic Seasoning
How does our sense of hearing affect our taste buds?
16 min
206
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
207
Sound Firsts
What are the oldest sound recordings in history?
26 min
208
Noise Pollution
Airplanes, construction, motorcycles - How have these everyday sounds affected our lives and what are the environmental and health repercussions?
17 min
209
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
210
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
211
Forensic Audio
Deciphering audio has become crucial to solving cases, but how do specialists interpret audio evidence?
15 min
212
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
213
Voice Acting
Who are the voices behind our favorite cartoon characters and commercials? Take a look behind-the-scenes of voice acting.
16 min
214
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
215
The Good, the Bad & the Irritating
Ever wonder why certain sounds make us cringe while others are soothing? Find out why we consider some sounds “good” and some “bad”.
17 min
216
Foley
What is Foley and how does it make our movie listening experience more realistic?
14 min
217
Space
What do other planets in our solar system sound like to our ears?
19 min
218
Dolls That Talk... And Some That Listen
Why have humans been so fascinated in re-creating toy versions of ourselves? Talking dolls have been around for over 100 years. Take a look at the evolution of how that came to be… and why they are so creepy.
14 min
219
Cars
Discover how car companies are enhancing every aspect of your vehicle’s sound to provide the ultimate driving experience.
14 min
220
Audio Descriptions
Ever wonder how the visually impaired are able to enjoy their favorite movies? Discover how technology has been able to make this possible.
12 min
221
Movie Soundtrack
What goes into making a movie soundtrack? Take a look behind the scenes with the sound designers that make your movies sound perfect.
14 min
222
From Analog to Digital
The transition from analog to digital seemed like a fairly simple and expected process. However, what did we lose when we made the switch and why are so many people reverting back to analog?
14 min
223
Sound of Extinction
We've grown accustomed to the everyday sounds we experience; cell phones ringing, cars idling, Facebook messaging. What about the sounds that we've forgotten about, the sounds we’ve lost?
14 min
224
Mystery Hum
There’s a hum emanating from an island in Detroit that is so loud it disturbs the residents of Windsor, ON. The hum has caused so much discomfort and annoyance that a film crew decided to investigate the cause.
10 min
225
8-bit
8-bit audio defined countless childhoods. How did early sound artists and composers create such iconic sounds using the most primitive game technology?
12 min