[vorbis-dev] Understanding of Vorbis coder

[Monty]

>  (- and psy.c has been essentially completely rewritten since those days)

Not really, byt the noise masking is different.  psy.c looks very
different, but what it does is essentially the same.

> 2) "formant", to me at least, conveys phase info to be meaningful
> (Are the zero locations not a vital part of a formant?)
> The floor is purely an amplitude thing, so I wonder about the
> correctness of calling the floor "formant-like".

It is also the case that only floor0 is 'formant-like'.  Floor1 is a
piecewise linear approximation that looks nothing like IIR filter
formants.

Monty

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