[Vorbis] MDCT ALgorithm

Monty xiphmont at xiph.org
Mon Feb 20 12:31:27 PST 2006




> Can I Know How the MDCT is implemented in Ogg Vorbis Encoder ?

The exact instruction, including paper references are at the top of
lib/mdct.c in the vorbis source code.

> Can I replace MDCT by some other MDCT Optimized ALgortihm ? 

Yes! This is encouraged, in fact, as the MDCT in Vorbis is a generic
routine meant to work predictably everywhere, but it is not optimized
for any specific application.

Monty


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