[vorbis-dev] Rebug+listening test

[OmegaDan]

I wonder if this could be responsible for the poor
marks ogg recieved in that listening test sponsored by
that magazine (I can't seem recall the details!)

dan

--- Scott Wheeler <scott at slackorama.net> wrote:
> Wow.  Huge difference.  I tried Ogg earlier this
> week and was quite 
> disappointed.  I was using said RPMs.  I couldn't
> figure out why lots of 
> people were using Ogg, it was slow and didn't sound
> great.  ;-) Building from 
> source fixed that.  Good work guys.  I'm glad this
> was caught before 1.0.  
> 
> -Scott Wheeler
> 
> On Thursday 16 August 2001 02:14 am, you wrote:
> > Hi folks,
> >
> > The folks on RedHat who have been complaining of
> poor-quality encodes
> > prompted us to track down the trouble, and it's a
> compiler bug.  We
> > have the asm .s files to prove it :-)
> >
> > The summary: EGCS (gcc) versions through March
> 1999, including up to
> > at least gcc/egcs 2.91.66 have a serious floating
> point optimization
> > bug that hits Vorbis.  This is a fairly old gcc
> version, but RedHat
> > shipped with it until at least RedHat 6.2.  The
> broken compile will
> > produce Ogg files, but the audio quality will have
> from obvious to
> > severe artifacts.
> >
> > Also, because we wanted our RPMs to be compatable
> with redhat 6 and 7,
> > we built the RPMs using RedHat 6.2.  That means
> our RPMs are also
> > broken.  We'll have an updated, correct build on
> the vorbis.com site
> > ASAP.
> >
> > No other builds on the vorbis.com site are
> affected.  Building from
> > source is only affected if the compiler used is
> egcs 2.91 (or older).
> > gcc --version will report the compiler version.
> >
> > Amusingly enough, this EGCS bug was fixed
> approximately two weeks
> > after it shipped, but the broken version continued
> to be shipped for
> > over a year.
> >
> > Monty
> >
> > --- >8 ----
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=====
Daniel "OmegaDan" Morrione [dan at morrione.net]
thehumbleguys music group - "Everything but love songs"
Scoring / Sound Design / Audio Programming
thehumbleguys.com [omegadan at thehumbleguys.com]
-
Monkelectric - Internationally ignored musicians.
monkelectric.com

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