You might also find this file helpful, a kind of filter bible: http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt
On Mon, Sep 27, 2010 at 5:29 AM, cyrille henry <[email protected]> wrote: > hello, > you have some exter to compute biquad~ coef in ggee/filter repertory. > > i also made some abstraction to compute bq~ coef. > you can find them in nusmuk directory in svn. > > Cyrille > > > Le 27/09/2010 10:34, Maurizio Giri a écrit : > > Hi, I'm trying to convert some PD patches to MaxMSP. >> However I have a problem with the vcf~ object, it seems it doesnt have an >> EXACT equivalent in maxmsp: reson~, svf~, and the filtergraph~ bandpass all >> sound different from vcf~ >> I'd like to use biquad~ to emulate a vcf~ filter, but I don't have the >> vcf~ formula to calculate the coefficients. >> Does somebody know how I can calculate them? >> As I said filtergraph~, reson~ and the other maxmsp objects are not >> identical to vcf~ so they are not good for my pourpose. >> >> TIA! >> mau >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> >> > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list >
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