On Sat, Sep 20, 2008 at 12:53 PM, Charles Henry <[EMAIL PROTECTED]> wrote: > On Sat, Sep 20, 2008 at 7:09 AM, Damian Stewart <[EMAIL PROTECTED]> wrote: > >> however, there's some weird gain thing going on. check out the attached: >> notice how the left channel output (biquad~ output) drops gain, while the >> right channel output (handmade) does not. >> >> any ideas how to fix this? > > ah! got it! Remember how I said that ff1 determines the gain? All > you need to do is add a *~ block in series with the [czero~]'s and > [cpole~]'s to multiply by ff1 > > Chuck
As an afterthought, this approach does not work when ff1 is zero :) duh But then, I don't think that it's ever useful to have ff1 be zero, is it? Also, I was wrong about the zeros, when ff1 is zero. "Now, there's one free variable remaining, ff1. ff1 could be zero, which would give us a zero at z=0 and another real valued zero at -ff3/ff2." There is no zero at z=0. I'm not sure about this one--but it seems as though it's impossible to have a zero at z=0? _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list