>On Oct 9, 5:21=A0pm, "sauwen" <sauwen...@[EMAIL PROTECTED]
> wrote:
>> Hi all. =A0Does anyone know how to change the width of a feedback comb
>> filter's teeth? From the general idea on wikipedia, it seems like it
is
>> only possible to change the delays and the gain.
>
>when you have a feedback comb filter (or even a feed-forward comb
>filter), try to imagine replacing the delay element, z^-N, with a
>quantitatively different delay element, z^-1. then with that
>feedback, you have a simple LPF where, depending on the feedback gain,
>you can get an idea of how wide this single tooth is. now replace
>z^-1 with z^-N and you will see that your tooth is scrunched by a
>factor of 1/N and there are N of these teeth from -Nyquist to just
>under +Nyquist.
>
>does that help you figger it out?
>
>r b-j
>
Hmm thanks for the insight..!
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