[vorbis] Bzip2 & Ogg Vorbis

[Olaf van der Spek]

----- Original Message -----
From: "Graham Mitchell" <graham at grahammitchell.net>
To: <vorbis at xiph.org>
Sent: Tuesday, December 24, 2002 3:19 PM
Subject: Re: [vorbis] Bzip2 & Ogg Vorbis

<p>> On Tuesday 24 December 2002 16:13, Daniil V. Kolpakov wrote:
> > On 24 äÅËÁÂÒØ 2002 00:30, Olaf van der Spek wrote:
> > >
> > > I've got some (seven) Ogg Vorbis files with a total size of 18637246
> > > bytes. When I use bzip2 to compress these files, the total size is
> > > 16949443. That's 10% less.
> >
> > Well I can't reproduce that:
>
> Me either.  What quality setting did you use?

I didn't encode the files, somebody else did.
>
> My results:
>
> Soul Coughing - Ruby Vroom, entire album, one file per track, quality 4
>     bzip2'ed oggs save 0.181% over oggs alone (less than two-tenths of 1%)
> Grits - The Art of Translation, entire album, one file per track, -q 4
>     bzip2'ed oggs save 0.15% over oggs alone
> The Matrix - Music from the Motion Picture - entire album as one track, -q
3
>     bzip2'ed ogg saves 0.183% over the ogg alone
>
> Generating optimal huffman codes (with rehuff or something similar) beats
this
> by an order of magnitude at least, and remains streamable.
>
> --
> Graham Mitchell - computer science teacher, Leander High School
> A girl and a boy bump into each other -- surely an accident.
> A girl and a boy bump and her handkerchief drops -- surely another
accident.
> But when a girl gives a boy a dead squid -- *that had to mean something*
> -- S. Morganstern, "The Silent Gondoliers"
>
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