Noise Cancelling or Phase Shifting?

Thread Starter

Phi16

Joined May 7, 2010
1
Is it possible to cancel out some high frequency (5000-11000Hz) sounds by producing some other phase-shifted sounds? If so, can software be written to produce these sounds on a PC? I'm new to the forum and subject matter but have a great deal of software experience. Can someone point me in the right direction?
 
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