[Speex-dev] VAD speex 1.2rc1

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Tue Mar 17 10:58:07 PDT 2009


Quoting danflu at uninet.com.br:
> I want to use vad for regulating the agc gain mechanism.
> So... if voice is not detected I just reduce the agc value
> in order to not amplify the 'silence' otherwise we just
> increase the agc value if it is below the minimum.

The AGC is *already* supposed to do that. And if it doesn't, then it should be
fixed, not coupled with a VAD that would likely end up making things worse.

    Jean-Marc

> Thanks,
> Daniel
>
> ----- Original Message -----
> De: Jean-Marc Valin <jean-marc.valin at usherbrooke.ca>
> Para: danflu at uninet.com.br
> Cc: speex-dev at xiph.org
> Assunto: Re: [Speex-dev] VAD speex 1.2rc1
> Data: Mon, 16 Mar 2009 21:21:50 -0400
>
> > Hi Daniel,
> >
> > Basically, all this says is that the VAD may not perform
> > as well as the previous one. But it'll depend on your
> > data.
> >
> >     Jean-Marc
> >
> > danflu at uninet.com.br a écrit :
> > > Hi Jean-Marc,
> > >
> > > I'm using the VAD algorithm from the speex 1.2rc1 and
> > > there is a a warning message: "The VAD has been replaced
> > > by a hack pending a complete rewrite".
> > >
> > > My question is: Is VAD working in this version or it is
> > > broken ? Can I just use it and ignore the warning ?
> > >
> > > Thanks in advance,
> > >
> > > Daniel
> > >
> > > _______________________________________________
> > > Speex-dev mailing list
> > > Speex-dev at xiph.org
> > > http://lists.xiph.org/mailman/listinfo/speex-dev
> > >
> > >
> >
>
>





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