IIR-Filters in R4 with unit-delays
IIR-Filters are pure digital filters. it´s quite easy to build them in r4 using unit-delays. Sorry, no coefficients included but you can find them spread all over the internet. You can calculate your own, of course, but it´s not easy. I already did that 8 years ago and it´s like hell, if you don´t own a special software doing that for you.
Some pro´s in here ?
this only shows the principles doing IIR-Filtering, it´s no complete ensemble...sorry...