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Updated by Hammer on Apr 15, 2021
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Hammer Hammer
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What is Noise-Cancelling, How it works in Headphones? (PNC & ANC)

Noise cancellation is the phenomena of cancelling or muting the unwanted noise of the background to have a better experience while enjoying content on headphones.

The discovery of noise cancellation was done by Paul Lueg in the year 1933, he realized that he could cancel sounds of a loudspeaker by using phase advancing waves, which causes interference with the sound produced by loud speaker.

This discovery led to the Active noise cancellation we know of today.