[Vorbis] Question on Quality factor, Bitrate and decode table

Monty xiphmont at xiph.org
Fri Oct 15 11:16:18 PDT 2004




On Fri, Oct 15, 2004 at 11:08:15AM +0100, Ian Malone wrote:
> Monty wrote:
> 
> >> 1. What is the relation ship between Quality factor and Bitrates?
> >>   
> >>
> >
> >The Vorbis specification does not have any concept of bitrate. The
> >decoder does not know and does not care what the actual bitrate f an
> >incoming stream is.
> >
> > 
> >
> I have a question about this one: players like the iRiver iFP800 claim 
> Ogg/Vorbis
> support for (eg) 44.1KHz, 96Kbps~225Kbps.  Is this simply due to
> hardware speed?

Most likely, yes.  

> Most of my .ogg files lie in this window, but does anyone have any
> experience of what happens when the 'instantaneous' bit-rate
> wanders outside it?

I've not used this specific player, but my guess is it will just skip.

Monty


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