[vorbis] bitrtate peeling and lossless compression

Keith Wright kwright at gis.net
Wed Mar 21 23:10:44 PST 2001



> From: xiphmont at xiph.org (Monty)
> 
> On Wed, Mar 21, 2001 at 11:53:49AM -0700, heard wrote:
> > Could I
> > theoretically compress my CDs to Vorbis at a rate that is lossless, and
> > then be able to peel those files to 128k/s or lower for a portable device?
> 
> Yes, that's a possible application of the idea...

But with a catch.  We know from Information Theory 101 that
there are input sequences that when "losslessly compressed"
get _bigger_.  Whether any of them are something you want
to listen to I don't know.


-- 
     -- Keith Wright  <kwright at free-comp-shop.com>

Programmer in Chief, Free Computer Shop <http://www.free-comp-shop.com>
         ---  Food, Shelter, Source code.  ---

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