[vorbis-dev] Thought for the new year

Segher Boessenkool segher at wanadoo.nl
Sat Dec 30 07:28:34 PST 2000



Mike Coleman wrote:
> 
> xiphmont at xiph.org (Monty) writes:
> > On Wed, Dec 27, 2000 at 05:16:26AM +0100, Segher Boessenkool wrote:
> > > The problem is, audio needs shorter windows at higher frequencies
> > > (and *really* large windows at low frequencies, to get good results).
> >
> > I do agree with this observation. :-)
> 
> The obvious idiot/newbie followup is:  Well, then would it be possible and
> useful to split the signal into a couple of frequency bands and encode them
> each with differently sized blocks?

Sure. But we need to find a good, non-patented, transform that does exactly
what we want, and some changes to the psycha model to go with it.

Are you scared yet?

I think this is post-1.0 material, as it needs lots of experimentation.

Cheers,

Segher

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