* Chuckk Hubbard <[EMAIL PROTECTED]> [2007-11-24 09:28]: > On Nov 23, 2007 9:54 PM, cyrille henry <[EMAIL PROTECTED]> wrote: > > hello, > > > > i know there is a lot's of filter externals available for pd, but i'd like > > to use some using rpole~ / cpole~ etc. > > I like playing with raw filters too. I don't have any references to > add to Claude's, and really for me it's more a matter of getting > through the references I already have. Miller's book has a very good > explanation, lots of graphs, lots of explanations for the rotation and > complex number stuff, but still lots of detail. I've also used the > graphing abstractions in H14.all.pass.pd, substituting rpole~ et al to > see the frequency and phase response as I change the values. > I also found the [fexpr~] object educational. > I wonder what more knowledgeable people will say to this: my > impression has been that, as interesting as filter design is, and > although it's possible and not terribly difficult to learn to > understand it well, it is not something that will necessarily become > intuitive with practice. That, to design specific filters, it will > still be a matter of performing series of calculations to know what > values to use, rather than "sort of knowing" what to put. Thoughts?
Yes, master the Z-Transform (which is not hard, really). :-) regards, PP > > -Chuckk > > -- > http://www.badmuthahubbard.com > > _______________________________________________ > [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
