[Pd] Pd's biquad

Chuckk Hubbard badmuthahubbard at gmail.com
Sun Jan 28 12:21:57 CET 2007

I am already not quite on top of biquad filters, but as I research
them I see Pd's version looks a lot different than the other ones I
see around.  Is it comparable?  I can see that it should be IIR, as
past values of w can be used in the current value, but I can't tell
much else about it.
Anyone know a reference explaining this kind of setup?


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