[Speex-dev] Denoise causing drain pipe effect in audio

Henry Gomersall whg21 at cam.ac.uk
Fri Jun 4 15:22:18 PDT 2010

On Fri, 2010-06-04 at 17:12 -0400, Jean-Marc Valin wrote:
> > In general, if you have information about the nature of the noise
> you
> > are trying to suppress, you can do much better than just assuming
> white
> > noise.
> Nobody assumes white noise. The Speex noise suppressor applies an 
> MCRA-like algorithm to estimate the noise and then it has a spectral 
> amplitude estimator (similar to Wiener, but with a better criterion
> than 
> MSE). 

Fair enough. As I said, I don't really know how the Speex algorithm
works ;)

I guess John's point is an interesting one to draw from this.

I'll just go back to sleep now.



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