[Speex-dev] Speex VAD algorithm in 1.2rc1?

Goran Doychev g.doychev at gmail.com
Fri Sep 18 01:00:32 PDT 2009


Hello,
In the mail archives from 2004 I found this:


> Note that this (MCRA and all) is only true for the "new" VAD included in the


> 1.1.x preprocessor. The other (main) VAD is just a big kludge that could


> certainly be improved.


>
>     Jean-Marc


>
> Selon Devendra Jalihal <dj at ee.iitm.ac.in <http://lists.xiph.org/mailman/listinfo/speex-dev>>:


>
> > Many of the ideas used in Speex VAD are found in the paper by Israel


> > Cohen,


> >    "Noise Spectrum Estimation in Adverse Environments: Improved Minima


> >     Controlled Recursive Averaging"


> > that appeared in IEEE Trans on Speech and Audio Processing, Sept 2003.


> > -Devendra Jalihal

*Is VAD in Speex 1.2rc1 based on MCRA or does it use something else?*

Thanks,

Goran
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