Hi!
Now I am quite confused. Can you please explain it in a detail?
In your opinion, what the psychoacustic model really do?
And why we get the floor curve that way?
Thanks!
Best regards!
>No; vorbis does not track allowable noise (this strategy was used by
>original mp3, but was a big red herring). The floor is intended to
>represent desired unit-scale in a band, in essence, the desired amount
>of resolution. During encode, the spectrum is quantized according to
>the floor and then normalized in an effort to preserve tone and noise
>energy over any given critical band.
????????lisa
????????fangchao_dlut@sina.com
??????????2005-09-28