Re: [AVT] RE: <draft-ietf-avt-rtp-vmr-wb-03.txt>: sampling rate

[Colin Perkins <csp at csperkins.org>]

On 10 Sep 2004, at 20:17, sassan.ahmadi at nokia.com wrote:
> > > > 1- Only one RTP timestamp clock rate of 16000 Hz is used
> > throughout
> > > > the I-D.
> > >
> > > I think this is a good change that simplify things.
> >
> > Agreed. I'd also like to suggest that some new text be added
> > to capture the essence of this
> > sampling rate discussion... we don't want further readers of
> > the RFC to get the wrong
> > impression that only 16k speech/music can be passed through
> > vmr-wb codec. Some explanation
> > over why only 16k timestamp rate is defined for the payload
> > and how one can still work with
> > 8k media would definitely help, especially to those who are
> > unfamiliar with the codec
> > internal operation.
>
> Looks like that we have reached to an agreement. I will include some 
> text in the draft to address your point, something like " although a 
> 16000 Hz RTP clock rate is used for VMR-WB, the injection and 
> processing of 8000 Hz narrowband media is also allowed and can be 
> handled by VMR-WB decoder".

We have not reached agreement on this.

Colin


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