[Speex-dev] VAD Algorithm

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Sun Jun 24 12:03:56 PDT 2007

Steve Underwood a écrit :
> Coffey, Michael wrote:
>> Has it been a whole week since a question about VAD? :-)
>> I am curious why the VAD algorithm described in G.729 Annex B is not
>> used by Speex. Complexity, Patent, Quality, or what?
> Its not only patented, its so darned good they recently threw it out and
> replaced it. :-) I assume the replacement is just as patented as the
> original.

In case there are volunteers, I'm interested in improvements to the
current VAD which, I have to admit, sucks quite a bit.


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