[vorbis-dev] lossless ogg encoding with good compression rate

Segher Boessenkool segher at koffie.nl
Tue Jul 1 21:02:00 PDT 2003



8ut3ww302 at sneakemail.com wrote:
> Vorbis + error may not be a good way to do lossless compression, but has 
> anybody put any thought into a DCT- or wavelet-base lossless 
> compression?  Just curious, my understanding is that existing lossless 
> codecs are based on one form or another of predictive coding and an 
> error correction.  Would some sort of integer transform (I can see 
> floats being evil in a lossless situation) provide decent compression?

Look up Integer Wavelet Transform.

<p>Cheers,

Segher

<p>--- >8 ----
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