[Speex-dev] speex 1.2beta1 encoding/decoding clicking noise on WM2003

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Tue Dec 5 14:53:44 PST 2006


Check that the recording level isn't too high. Samples should never
reach saturation (+-32767) and should generally be less than 16384 to
have good results.

	Jean-Marc

Yanxin Cui a écrit :
> I am running speex 1.2beta1 on WM2003 using FIXED_POINT option, I got big
> clicking noise during encoding or decoding randomly, I got more noise if I
> spoke louder or made the MIC sensitivity higher, for example, when I encode
> the wav file to spx file, the original saved wav file does not have such
> noise, the noise is added only after it's converted to spx format. The
> floating point version of libspeex library does not give me such noise(but
> runs slow of course). Any suggestions?
> 
> Thanks a lot!
> 
> Yanxin
> 
> 
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