[sdiy] Multi-output comb filter?

[Neil Johnson]

cheater00 cheater00 wrote:
> I like to faff around, Neil. Don't spoil my fun!
> Besides, unlike FFT this uses no multiplication or exponentiation, just
> integer addition, and each thing being added is just added 0, 1, or -1
> times. I'd say that's a pretty big win, wouldn't you?

Sounds like Walsh functions all over again.

Neil
-- 
http://www.njohnson.co.uk