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User Name Thread Name Subject Posted
GUEST,Ray Tech: Krisp noise cancelling AI s/w (8) RE: Tech: Krisp noise cancelling AI s/w 11 May 20


Saw it on the Beeb but wasnít really paying attention.

If itís limited to microphones, there must be a second source somewhere - the built in speaker in the computer? - monitoring the exreaneous noise and enabling it to be eliminated. [I think this is how noise cancelling headphones work - they combine the extraneous noise with the same noise but reversed in phase] If not, thereís no difference from a microphone signal than any other type of signal.

The problem with a single source signal (voice and noise) is that an electrical device has no idea of what you want to eliminate and the only solution will be some complex manual filtering arrangement.


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