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Noise-cancelling microphone

Functional testing

Background noise reduction is a great feature if the functionality of the noise-cancelling microphone is tested in production as required today.


The testing of noise-cancellation microphones verifies the correct assembly and functionality of noise-cancelling microphones.


A loudspeaker is located near the noise-cancelling microphone. The loudspeaker plays a test tone, and the device microphone measures or routes it to an instrument for processing.

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