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Twenty Thousand Hertz

The stories behind the world's most recognizable and interesting sounds.

Episodes

Total: 205

Level Up

2017/10/3

Video games are a growing industry and every play-controlled experience is defined by its harmony of

Watergate

2017/9/19

Watergate might be the most widely-referenced scandal in our nation’s history. The actual word itsel

Sonic Seasoning

2017/9/5

Taste is one of our most subjective of the five senses. A flavor that elicits delight in one individ

Fight or Flight

2017/8/22

Are you afraid to fly? Does even the thought of boarding an airplane make you anxious? You’re not al

Sound Firsts

2017/8/8

What is the oldest recorded sound in history? For over 100 years researchers thought they knew until

Noise Pollution

2017/7/25

Noise pollution is something we’ve all experienced. Road construction, motorcycles, passing aircraft

20,000 dBs Under the Sea

2017/7/11

71% of the Earth is covered by water. And most of us imagine it to be a serene, almost silent world.

Evolution of Accents

2017/6/27

When you describe yourself to others you might mention your height, hairstyle, or maybe your build.

Forensic Audio

2017/6/13

You might not realize it, but audio can be just as crucial to solving a case than video or eyewitnes

The Wilhelm Scream

2017/5/30

When it comes to movie screams, what’s the first one you think of? Is it a scream that evokes a sens

Voice Acting

2017/5/16

We hear disembodied voices all the time, in everything from cartoons and anime to commercials and tr

Hearing Loss

2017/5/2

Our ears are sensitive, but we often don’t treat them that way. We are born with the ability to hear

Some sounds are like rug burn for your ears, while others are pleasant and soothing. We explore thes

Foley

2017/4/4

When you listen to a movie, everything the actor touches sounds crisp and clean. However, none of it

Space

2017/3/21

When we think about sound, our only reference is what it’s like here on Earth. What happens when we

Talking dolls have been around for over a century, but the fascination with making inanimate objects

Cars

2017/2/21

Some car sounds are more obvious like the horn or engine... but what about the not-obvious-until-you

Audio Descriptions

2017/2/7

Did you know there might be a track of audio on your favorite movies and television shows that descr

Movie Soundtrack

2017/1/24

When you think of a movie soundtrack, you probably think music. And sure, that’s one of the many, ma

From Analog to Digital

2017/1/10

The transition from analog to digital seemed like a fairly simple and expected process. So why are s