Re: Width of comb filter teeth

On Thu, 09 Oct 2008 15:53:31 -0500, "sauwen" <sauwen.jl@[EMAIL PROTECTED]
>
wrote:

>Hi all.  Does 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.
>
>Thanks

Hi,
  I'm just thinkin' out loud here, but 
perhaps you could cascade the feedback comb 
with a feedforward comb.

Both combs must have the same delay.  Then 
varying the feedforward value (and sign) of 
alpha may allow you to "adjust" width of the 
cascaded filter's teeth. 

[-Rick-]