Hello all ! I'd like to make a 2pole notch filter. I found a few topics about notch filters on this list but I didn't understand everything. I read that I could make one with biquad~ but this object is somehow obscure to me. I don't know how to deal with the 5 parameters. In maxmsp, you have the filtergraph~ object which "translates" your Freq, Q and so on for use with biquad~ but in pd I just don't get it... The filtergraph pd objects are also difficult for me to understand. Could someone explain me how I can make a notch with biquad~ (or with any other native pd objects) please ? Thanks.
_y
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