[vorbis-dev] psycho-acoustic model in ogg vorbis

Monty xiphmont at xiph.org
Sat Sep 14 12:04:05 PDT 2002

On Mon, Sep 09, 2002 at 09:06:43PM +0200, Stoffke wrote:
> I wonder what psycho-acoustic model is used in ogg vorbis.
> Did they create their own model (this requires big listening tests) ?
> Or is it something that was already there, like gpsycho ?

We developed and wrote our own.  GPsycho both came after Vorbis, and
is tailored to mp3-style subband coding.

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