Hallo Frank! In general this should not matter (although there can be numerical unstabilities with some structures - but I thing that's no problem in your case).
See for example "series and parallel transfer functions" in "INTRODUCTION TO DIGITAL FILTERS" (which is BTW a very nice book): http://www.dsprelated.com/dspbooks/filters/Series_Parallel_Transfer_Functions.html LG Georg Frank Barknecht schrieb: > Hallo, > > hm, I'm a bit confused how to place elementary filters: In the book, > Miller writes that the r/czero should be placed before the poles and > the screenshots also show this: > http://crca.ucsd.edu/~msp/techniques/latest/book-html/node160.html > > However the example patches (H11 ff.) and the butterworth abstractions > that come with Pd have it the other way around and follow the > alphabetic order with *z*ero last! > > Ciao _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list