[vorbis] Bit Rate Peeling Quality

Segher Boessenkool segher at koffie.nl
Thu Jun 26 22:33:14 PDT 2003

Graham Mitchell wrote:
>>I don't have much to add to what you wrote, except that
>>I don't think of my prototype peelers as being
>>"unsophisticated".  Heck, one of-em even used Bessel
>>functions! ;-)
> Actually, I was thinking of the "April Fool's" peeler, which *was* a little 
> braindead in certain places.  But then, of course, that was the point.

Actually, that was the one that used the Bessel functions
(to compute 0.0f in a non-obvious way ;-) )

>>With current streams, peeling from -q6 to -q2 will sound
>>very bad, with a terrible lowpass and lots of flanging.
> Okay, I'll file that away for next time I answer this question for someone.

Note that it should read "from -q6 to a bitrate about the
same as -q2 would produce" oslt.  But you know what I mean.

>>Other than that, what you wrote is fine, I think.
> That's good to hear.  As with many high school teachers, I'm pretty good at 
> making up plausible answers to questions even when I don't know what I'm 
> talking about.  Looks like this time I did a little better than average!

This is what most high school students (try to) do, too...


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