[vorbis] equalization

[rodolfo.borges at mail.com]

Aleksandar Dovnikovic wrote:
> 
> <rodolfo.borges at mail.com> wrote:
> 
> > what about adding equalization in the decoder?
> > it makes sense doing it internally because the sound is stored
> > in the frequency domain, like mp3, right?
> 
> But what's the point? Almost every player can do equalization
> after the file is decoded (that is during playback).

the point is:
the decoder works in the frequency domain.
if you do the equalization after the decoding, you'll have to do
two extra FFTs.

frequency --decode--> amplitude --FFT--> frequency --eq--> --FFT-->
amplitude
instead of
frequency --decode+eq--> amplitude


-- 
Rodolfo.Borges at mail.com

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