[PD] anyone have a nice filter?
Krzysztof Czaja
czaja at chopin.edu.pl
Mon Aug 11 12:50:17 CEST 2003
hi Ben,
ok, this is just my pestering again (someone is going to show me
a noose soon). There is an svf~ to be released in the cyclone's
next snapshot. Differences are
. the clone has 4 outlets, instead of a configurable single outlet
. the clone has no additional resonance inlet (just the q one)
. the clone does no oversampling, uses simpler formulae for coefs
(calculated once per block), etc., which all makes a difference
of max 340 clones against max 42 of yours svf~s on my machine
(think about using it in polyphonic instruments).
. neither is fine-tuned, but the clone does have some protection
against over-blowing.
In the max/msp land there is both the fast, 4-out svf~, and
oversampled, 1-out (and fine-tuned) 2up_svf~. Btw. the latter
is open-source (in a way).
Krzysztof
Ben Saylor wrote:
> Thanks, I'm glad it's useful.. I think the filter was originally written
> by Andrew Simper who posted it to music-dsp (musicdsp.org).
...
>>>>The svf~ external is quite nice (IIRC, it's a PD port of a LADSPA
>>>>plugin by Steve Harris). You can get it as part of the PD
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