thehumbleguys at yahoo.com
Tue Jan 23 15:47:28 PST 2001
Interesting ... thanks :)
--- Segher Boessenkool <segher at wanadoo.nl> wrote:
> OmegaDan wrote:
> > May I ask a question?
> > Why is the vorbis code generating non-optimal
> > codes in the first palce? I seem to recall there
> > a greedy algorithim that always produces an
> > huffman tree? ...
> The encoder doesn't know what data it will need to
> streaming wouldn't work if it needed this info. The
> uses huffman books that are trained to optimally
> encode a
> certain big, reprresentative data set. This is not
> for every stream, but close to it. Actually closer
> I thought before I wrote rehuff; rehuff will gain
> you 1-2%
> on most streams, I thought it would be 5-10%.
> rehuff is still useful for people who want the last
> few tiny
> drops of compression gain, and for developers.
> --- >8 ----
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--- >8 ----
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