Re: [MP3 ENCODER] Optimization

[Soyeb]

Has anybody tried NamLing's recursive formulla for subband filter windowing.
rgds
soyeb

Segher Boessenkool wrote:
> 
> > i mean in terms of speed like using faster algo like Lee's IDCT for faster
> > implementation.
> > rgds
> > soyeb
> 
> Ok. Yes, been there, done that. The 32 point dct II, as well as the 18 point
> dct IV. Both with a Lee -like algorithm. Works like a charm :-)
> The slowest part is the polyphase windowing, and I haven't found a way to
> speed it up.
> 
> Ciao,
> 
> Segher
> 
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