June 09, 2019 1 Comment

Passive noise-reduction 

Passive noise-reducing headphones or noise reduction earphones use physical coverings to block out background noises, like ear pads. 

Active Noise Cancelling

Active noise cancelling earbuds use microphones, digital circuits and DSP based algorithms to collect environmental noise and produce a mirror "anti-noise" signal to cancel it out.


1 Response

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ikHbGWdICMXlQ

October 15, 2020

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