[vorbis] New MP3 codec from FhG/Thomson

[Gregory Maxwell]

On Tue, Jan 09, 2001 at 09:55:45AM +1300, Ross Levis wrote:
> > Content encoded in mp3PRO can be played back in a traditional 
> > MP3 player but without the quality enhancement.
> 
> Any ideas as to how they can do that?  Maybe they encode half the frequency
> spectrum (0-8khz) in the standard MP3 way @64kb/s and the other half is
> stored somewhere else?

Unless they have invented zero bit entropy it would have to be more like
0-8khz encoded at 32kbit/sec mp3 and 32kbit/sec enhancement.

Meaning that one of these special files would have much lower quality at the
same bitrate on a regular mp3 player.

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