@wrl I feel pretty much the same. They are a very satisfying thing to reach for if you want to dramatically change a sound in a pinch. Comb filters do have a "sound", and that sound does get fatiguing and boring quickly IMO.
banks of tuned comb filters can be pretty sweet (Paul Lansky's 'word color' is a personal favorite of mine).
@paul i will check out "word color".
yeah i'm experimenting with putting stuff in the comb filter feedback path – saturators, filters, etc, anything to make the sound a little less... i dunno, bland? trying to find a way to make it a bit spicier.
@paul this is usually a move of mine but i have not done it yet. i was thinking about putting an lpf in the feedback path and having the cutoff modulated by the fb signal itself. might be cool
@wrl oooh nice. are you thinking about comb filter banks at all? those could yield some potentially interesting possibilities.
you can pretend comb filters are resonators (maybe with the help of some bandpass filters) and do some modal synthesis: https://csound.com/docs/manual/MiscModalFreq.html
or vowel sounds: http://csounds.com/manual/html/MiscFormants.html
@paul one of my ideas here involves MPE-controlled individual comb filters.
i will check these csound links as well.
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