[vorbis] bitpeeler

Daniel Schregenberger npfdd at gmx.net
Wed Apr 9 10:02:45 PDT 2003


 ('binary' encoding is not supported, stored as-is)
Kyle Rose wrote:

> Daniel Schregenberger <npfdd at gmx.net> writes:
> 
> > Monty wrote:
> >
> >> On Tue, Apr 08, 2003 at 11:47:14PM -0400, Kyle Rose wrote:
> >> > No offense, Segher, but the output quality of this thing is awful. =)
> >> 
> >> It was Segher's annual April Fools' joke.
> 
> Yes, I realized that, despite killing the joke. =)  However...
> 
> > I think he knew it. The rest of the mail is talking about the idea
> > of just cutting down the stream in a simple way as described by
> > Segher when he introduced his joke-program (but not downto 0
> > information of course) With the result that it doesn't work well.
> 
> This is incorrect.  I am in fact serious about my analysis.  It seems
> bitpeeling isn't so trivial or, at least, not so obvious.  I always
> imagined that bitpeeling would be like removing the higher-order terms
> of a Taylor series: the resulting function typically just starts to
> look less like the limit, but doesn't go whacked all over the place.

Well...I just wanted to say that: peeling isn't that easy.
Sorry if it wasn't clear.

> Is there a document in which I can read about the mathematics behind
> Vorbis?  I'd like to take a look at this bitpeeling, especially since
> it's been vaporware for at least 2 years, and I'd like to have it. =)

hehe...me to, unfortunately I don't have the time to contribute right now.

-- Daniel

<p>In the long run, every program becomes rococo, and then rubble.
                -- Alan Perlis

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