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How Noise-Canceling Headphones Create Silence in Microseconds | WSJ Tech Behind

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Noise canceling is a hallmark feature of top headphones across brands, from Apple and Beats to Sony and Bose. Behind the simplicity of the technology from a user perspective, though, is cutting-edge hardware running sophisticated algorithms. What kind of audio processing is necessary to eliminate background noise when listening to music or watching a movie?

WSJ dives into how noise canceling works, how the technology has changed and where things are headed.

0:00 A sound wave and its inverse
0:32 Destructive interference
1:30 Noise-canceling headphones’ origins
3:17 What background noise to remove
4:46 Transparency modes or aware modes

#NoiseCanceling #Headphones #WSJ
Category
Television
Tags
noise canceling headphones, noise cancelling, headphones
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