[vorbis] bitrate peeling

[Peter Maersk-Moller]

Hi

I read in http://grahammitchell.net/writings/vorbis_intro.html
> Ogg Vorbis files support "bitrate peeling", which means you can produce
> a lower bitrate file from a higher bitrate file without re-encoding and
> at the same quality as if you'd encoded the file directly into the lower
> bitrate from the original file. No other lossy audio codec currently
> supports this.

This is very interesting for multi rate streaming. I think I read most
of the Ogg/Vorbis docs with RC3 but didn't any info on it.

Where can I find info on how to do this (maybe with an example in C) ?

--PMM

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