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

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

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?*


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