[Speex-dev] Dereverberation - is it work?

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Thu Mar 2 05:48:41 PST 2006

Dereverberation is very, very experimental. You need to tweak the
parameters (level and decay) for each environment. Your mileage may (and
will) vary.


Le mardi 28 février 2006 à 11:13 +0100, chojny a écrit :
> Hello,
> I'm using Speex1.1.11.1 source code.
> I enabled dereverb by speex_preprocess_ctl(). I try different
> dereverb_level and dereverb_decay values and it seems to not work. I
> generate some test files in CoolEdit using reverb or echo and
> then preprocess it by speex_preprocess(preprocess, input, NULL); and
> output is the same as input:(.
> Denoising and VAD works very good. I tried dereverb with and without
> denoise or/and VAD.
> Are there some sound files to test dereverb algorithm? I'll be very
> grateful for help.
> W.Chojnowski
> ------------------------------------------------------------ 
> Taaaaaaakie auto! >>> http://link.interia.pl/f1910
> _______________________________________________
> Speex-dev mailing list
> Speex-dev at xiph.org
> http://lists.xiph.org/mailman/listinfo/speex-dev

More information about the Speex-dev mailing list