Re: An idea for an entirely new effect -- warning, long post

Robert wrote:

 > What bothers me is the feedback part. A normal Biquad section would
 > probably not do because of the limited number of coefficients.

Is the limitation constant or does it change depending on something 
else? I mean, there are programs whose buffer size for a custom filter 
is hard-coded and there's no way you could alter it.

 > However, snd-allpoles should do the trick.

What is that?

 > It is a pity that you need IHT instead of HT. I've written an IIR for
 > the latter.

Really? I can imagine how I would do a FIR filter for such a thing but I 
have no idea how I would get a decent approximation using an IIR filter. 
Can you elaborate?

Also, a proper HT would definitely be useful too, the only difference 
being that the two amplitude-modulated signals would be subtracted, not 
added. So yes, it could be done with a proper HT as well.

 > Besides, I would rather go with Octave than Python to design the
 > filter or just stay in Nyquist.

That's what I'm saying, if it turns out that I can do it in Nyquist, I'm 
all my ears then.

Petr


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