[vorbis-dev] slightly different audio output

[Segher Boessenkool]

Adrien Beau wrote:
> 
> On Monday 8 April 2002 14:51, Owen Emry wrote:
> >
> > >Some slight differences will be unavoidable, I think.  But
> > > nothing bigger than off-by-one.
> >
> > Off by one what?  One in the LSB of a 16-bit integer sample?
> > Nonsense.  :) Think about it:  Take an original piece of PCM
> > data, encode it with Vorbis, and then decode it again using
> > the reference libvorbis.  Certainly you would expect the
> > vorbis step to inflict more than an "off-by-one" effect on
> > each sample.
> 
> I think Segher perfectly knows this.
> 
> > Thus perhaps the real question is whether or not a given
> > libvorbis delivers results that are at least as "lossless" as
> > the reference library.
> 
> Thus perhaps Segher meant that he expects nothing bigger
> than off-by-one between the output of a given libvorbis and
> the output of the reference library.

Exactly.  Which was exactly what the original post was about.  And
errors of more than 1% seem way too big, to me.  But the exact
requirements should be set in the formal spec, which doesn't exist yet.

<p>Segher

<p>--- >8 ----
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