> ::
> 1. Chebychev filters (LTI system) have no leakage at all
> 2. Chebychev highpass filters (like all IIR filters) have a worse
> frequency resolution for high frequencies ( -> oo) and a extremly
> good for low frequencies ( -> 0).
> 3. You can program a FFT like filterbank with simple 2nd order
> lowpass filters. But this filterbank has problems with
> detecting high frequencies if there are high level low
> frequency signals are present.
>
> Calculate yourself:
>
Okay, i'm convinced. Lets put in a chebychev IIR filter for the high pass
operator. We can save the debate about not computing psycho acoustics
at 80hz until after this is working :-)
Mark
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