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A comment on A Better Way to Cancel Noise. Parent comment
https://en.m.wikipedia.org/wiki/Wave_interference
The goal of noise canceling is to fully use destructive wave interference to create a 0 amplitude "signal", which is no signal at all.
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https://en.m.wikipedia.org/wiki/Wave_interference
The goal of noise canceling is to fully use destructive wave interference to create a 0 amplitude "signal", which is no signal at all.