You could send the original signal in parallel and invert the phase by multiplying with -1. You might have to delay the original signal in case that the processed signal gets also delayed by one or more blocks.
Ingo _______________________________________ > Von: [email protected] [mailto:[email protected]] Im Auftrag von > AP Vague > Gesendet: Freitag, 18. April 2014 18:49 > An: [email protected] > Betreff: [PD] Inverse bandpass filter > > Is there a simple way to make [bp~] or [vcf~] have an inverse function? To > filter out, rather than pass a changing frequency value. Is the easiest > way to do this with a combination of [lop~] and [hip~]? _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
