[vorbis] Bit Rate Peeling Quality

[Daniel Schregenberger]

 ('binary' encoding is not supported, stored as-is)
Colin D Bennett wrote:

> Graham Mitchell wrote:
> 
> >>So, for:
> >>
> >>	a.wav --> b.ogg (at q6) --> c.ogg (at q2)
> >>	a.wav --------------------> d.ogg (at q2)
> >>
> >>how are c.ogg and d.ogg likely to compare in terms of audio quality?
> >>	
> >>
> >
> >Assuming the files were encoded with current encoders, c.ogg would probably
be 
> >noticeably less good than d.ogg, but I think better than if you'd done:
> >
> >	a.wav --> b.ogg (at q6) --> b.wav --> c'.ogg (at q2)
> >  
> >
> Huh? This is the same thing. You must decode b.ogg to encode c.ogg. 
> There is no way, as far as I know, to go from ogg->ogg without 
> converting to uncompressed PCM audio in between.

There is a way. It's called peeling. The only issue is: there are currently
only a few "design studies" and no "real" programs to implement this. Just read
the rest of this thread.

-- Daniel

<p>"Yeah, but you're taking the universe out of context."

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