[vorbis] Encoder RC1?

[Vrykolaka]

Hongli Lai a écrit:
> ----------
> > Van: Geoff Shang <gshang at uq.net.au>
> > Aan: vorbis at xiph.org
> > Onderwerp: Re: [vorbis] Encoder RC1?
> > Datum: maandag 2 juli 2001 15:07
> > 
> > On Mon, 2 Jul 2001, Aardvaak wrote:
> > 
> > > What exactly is ABR? I never used Lame and I guess it is a Lame option,
> > > doesn'it?
> > 
> > ABR is average bitrate.
> > 
> > Geoff.
> 
> Uhmm.... What is the difference between average bitrate and constant
> bitrate?

ABR is the apparent bitrate of VBR-encoded file. Something like 127 or 129 kbps for "standard" mp3s. ABR is used as a way to mathematically compare CBR and VBR, other than using terms such as "good or "archival" quality.

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