From: "me.grimm" <megrimm@gmail.com>Subject: Re: [PD] biquad~ based riaa filterDate: October 15, 2014 at 2:14:52 PM EDTTo: katja <katjavetter@gmail.com>great thanks for the help! that seems to work swell.... attached is the revision.how would one go about generating / calculating the coefficients in pd using [expr]? then instead of having each in its own message the coefficients could be calculated automatically via global/local sample rate, normalizing gain could be applied/adjusted in real-time, etc.m