[Speex-dev] voice activity detection

[Steve Kann]

Joachim Boomberschloss wrote:

>Hello,
>
>I am wondering whether Speex's voice activity
>detection mechanism can be used independently of
>encoding and decoding speech, and how reliable it is
>in general. I need this kind of functionality for a
>project I am working on, and I was wondering if Speex
>provides it in a ready-to-use fashion, or if it
>requires modification of the source code. If so, I
>would be glad to consider doing this work for the
>benefit of others with some guidance (depending on
>complexity and usefulness).
>  
>

Yes, it can. It's in speex_preprocess, and the preprocessor is 
independent of the codec.

It's used just like this in iaxclient (also, for denoising, AGC, etc).

-SteveK