[Speex-dev] Q: The distortion caused by Denoise

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Wed Oct 10 18:25:23 PDT 2007

Ming.Zong wrote:
> HI Jean,
> I found speex¡¯s denoise feature work well, but it will lead to speech 
> distortion (not so rich). Could you please tell me how to reduce speech 
> distortion and keep denoise available? Or how to adjust parameters.

You probably want to play with SPEEX_PREPROCESS_SET_NOISE_SUPPRESS to a 
less aggressive value (closer to zero). The unit for that is dB.


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