David wrote:
>
> Why not do somwthing like VBR to the lowpassfilter ?
> i'll try to explain my idea here below :)
>
> let's say there is a passage in a track that has wery few sounds above
> 13Khz, why not let the lowpassfilter adapt to it and cut at 13Khz where
> there is no need for more ?
>
> something like ALF, adaptive lowpass filter :)
> now, this might not be do-able, just something i dreamt of last night
> actually :)
>
> 2-pass encoder might make it do-able though.. ?
>
> Please comment on this :)
there's really no need for this: if a passage has very little sounds above 13kHz, then
lame will use very few bits to encode these frequencies.
Pierre
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