[PD] notch filter

[carmen]

On Fri, Sep 02, 2005 at 06:03:15PM -0700, shift8 wrote:
> hi all - may be a dumb question, but is there any way to create a "notch
> filter" using native pd objects that don't resonate at the center
> frequncy?

biquad~ should do the trick. for formulas, check http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt , theres a 'notch' helper in ggee/filters..


> 
> -shift8
> 
> 
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