Global Noise-Cancelling Headphones Market by Manufacturers , Regions , Type and Application , Forecast to 2021
Global Noise-Cancelling Headphones Market by Manufacturers , Regions , Type and Application , Forecast to 2021
� Noise-Cancelling Headphones is a type of high performance headphones taking Active Noise Reduction Technology to reduce unwanted ambient sounds . This is distinct from passive headphones which , if they reduce ambient sounds at all , use techniques such as soundproofing .
� In this report , Noise-Cancelling Headphones refer to Active Noise-Cancelling Headphones .
� Active Noise-Cancelling Headphones is used in the sophisticated noise-cancelling headphones that pilots use . Headphones like this have a small microphone built into their case . The microphone constantly samples the background noise and feeds it to an electronic circuit inside the headphone case . The circuit inverts ( reverses ) the noise and plays it into the loudspeaker that covers your ear . The idea is that the noise you would normally hear is canceled out by the inverted noise — so all that ' s left ( and all you hear ) is near-silence or the music you want to listen to .
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