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Old 05-08-2017, 05:09 PM   #18
Philbo King
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The best way to do this is with spectral gating. You get a measurement of the noise across frequency. Then you set a gate just above the noise floor for every frequency in the spectrum. This is how noise removal is done, and it works within limits. ReaFir is a little different; instead of gating it is subtracting the noise level at each frequency. Same result.

It is not presently possible to predict the waveform of noise. It is essentially random. You can use statistics to predict it's spectral shape, but that's about it. So there is no way to come up with an "antiwaveform" that can be added to it to cancel noise.

Last edited by Philbo King; 05-08-2017 at 05:39 PM.
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