[sdiy] Multi-output comb filter?

[Tom Wiltshire]

> On 21 May 2018, at 11:24, Ingo Debus <igg.debus at gmail.com> wrote:
> 
> 
>> Am 21.05.2018 um 06:24 schrieb rsdio at audiobanshee.com:
>> 
>> You’ll get a lot further realizing that a comb filter has only a single input and a single output, where the constructive and destructive interference ends up favoring some frequencies and penalizing others.
> 
> What if you use a multi-tap delay?

You’ll still get constructive and destructive interference that ends up favoring some frequencies and penalizing others. With *many* taps (or delays)  you could build a specific frequency response, but you’re basically building an FIR filter by analog means, and it wouldn’t be cheap or simple.