TED

Twenty Thousand Hertz http://www.20k.org by TED
Watergate might be the most widely-referenced scandal in our nation’s history. The actual word itself has been appropriated in order to name many later scandals. But for a new generation of Americans, the word Watergate might not mean much. Wh…

Twenty Thousand Hertz http://www.20k.org by TED
Taste is one of our most subjective of the five senses. A flavor that elicits delight in one individual may evoke strong disgust in another. And while we all have a basic understanding of flavor, we rarely think about the other sonic factors t…

Twenty Thousand Hertz http://www.20k.org by TED
Are you afraid to fly? Does even the thought of boarding an airplane make you anxious? You’re not alone. Millions of Americans suffer from clinical aviophobia. While some manage to distract themselves long enough to endure a flight, countless …

Twenty Thousand Hertz http://www.20k.org by TED
What is the oldest recorded sound in history? For over 100 years researchers thought they knew until a mind-blowing discovery by historians found something new – and technological advances allowed it to be played back for the first time in his…

Twenty Thousand Hertz http://www.20k.org by TED
Noise pollution is something we’ve all experienced. Road construction, motorcycles, passing aircraft – the list goes on and on. Other than being just plain annoying, what effect does noise pollution have on our lives? In this episode, we take …

Twenty Thousand Hertz http://www.20k.org by TED
71% of the Earth is covered by water. And most of us imagine it to be a serene, almost silent world. But why should we have all the fun up here? Discover what sound is like just below the surface and all the way down to the ocean’s depths. And…

Twenty Thousand Hertz http://www.20k.org by TED
When you describe yourself to others you might mention your height, hairstyle, or maybe your build. But one of the most telling things about you is something you can’t even see, yet it defines you more than you realize. Your accent tells other…

Twenty Thousand Hertz http://www.20k.org by TED
You might not realize it, but audio can be just as crucial to solving a case than video or eyewitness testimony. But understanding how to interpret audio evidence, or having the ability to enhance it to a point of intelligibility, requires hig…

Twenty Thousand Hertz http://www.20k.org by TED
When it comes to movie screams, what’s the first one you think of? Is it a scream that evokes a sense of fear, pain, or maybe even… humor? Perhaps you immediately think about a famous “Scream Queen” or a specific scene from a movie. But you ma…

Twenty Thousand Hertz http://www.20k.org by TED
We hear disembodied voices all the time, in everything from cartoons and anime to commercials and trailers. It seems easy, but it’s actually an intricate craft involving a great amount of training. What does it take to create multiple, unique …

Twenty Thousand Hertz http://www.20k.org by TED
Our ears are sensitive, but we often don’t treat them that way. We are born with the ability to hear up to 20,000 Hz. As we age, our hearing range diminishes. On top of that, the more exposure we have to loud sounds, the greater the impact it …

Twenty Thousand Hertz http://www.20k.org by TED
Some sounds are like rug burn for your ears, while others are pleasant and soothing. We explore these sounds and get to the bottom of why we might interpret them as “good” or “bad”. Featuring Tommy Edison and David Poeppel.  Twenty Thousand He…

Twenty Thousand Hertz http://www.20k.org by TED
When you listen to a movie, everything the actor touches sounds crisp and clean. However, none of it was recorded on the movie set. Go behind the scenes with some of the unsung heroes of our movie experience. Featuring Fred Newman and Skywalke…

Twenty Thousand Hertz http://www.20k.org by TED
When we think about sound, our only reference is what it’s like here on Earth. What happens when we leave this thin blanket of atmosphere, and what do other planets sound like? Featuring Dr. Lori Glaze, Dr. Keith Noll, Dr. Scott Guzewich from …

Twenty Thousand Hertz http://www.20k.org by TED
Talking dolls have been around for over a century, but the fascination with making inanimate objects seem human reaches back into our early history. What is it about creating a companion that can interact with us, especially for a child, that …

Twenty Thousand Hertz http://www.20k.org by TED
Some car sounds are more obvious like the horn or engine… but what about the not-obvious-until-you-point-them-out sounds like the hollow thud of a trunk or the click of a latch? The sounds a car makes are so closely associated with quality, …

Twenty Thousand Hertz http://www.20k.org by TED
Did you know there might be a track of audio on your favorite movies and television shows that describe all of the actions on screen? This technology was designed for the visually impaired, but it could be used for the masses. It’s still not a…

Twenty Thousand Hertz http://www.20k.org by TED
When you think of a movie soundtrack, you probably think music. And sure, that’s one of the many, many things going on there. What else goes into making a scene sound “natural”? It isn’t what you’d think. Meet a major motion picture sound desi…

Twenty Thousand Hertz http://www.20k.org by TED
Did we lose anything when we transitioned from analog to digital? Learn about the Jedi skills old radio DJs had to have to spin vinyl on the radio, and meet a man who’s found himself trapped in a digital world and learn what he does to escape….

Twenty Thousand Hertz http://www.20k.org by TED
When was the last time you heard a dial-up modem? A dot matrix printer? A CD dropping into its plastic tray? Did you know it would be the last time? We talk to Rick Adams, a British reporter, about the impact of Big Ben being silenced for repa…