[vorbis-dev] vorbis.com

Segher Boessenkool segher at wanadoo.nl
Fri Dec 29 23:40:35 PST 2000



Monty wrote:
> 
> > > I don't know the details of how this is meant to work, though, except that
> > > it's mostly codebook trickeruy.
> >
> > I believe the method is: just truncating the packets, and losing the
> > high-frequency part of the music.
> 
> The frequency domain can also be progressively filled in multiple
> passes; packet truncation loses resolution as opposed to being a rough
> lowpass.  This code isn't all there yet.  It's one of the last things
> that has to be ready to declare 1.0.

So if we use cascaded codebooks, the "lower granularity" codes should
be first in the stream?

Cheers,

Segher

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