[PD] EQs - FIR or Biquad or others

Miller Puckette mpuckett at imusic1.ucsd.edu
Sat Dec 24 03:12:19 CET 2005


A simple (I think) example is in 3.audio.examples/H11.shelving.pd and
3.audio.examples/H12.peaking.pd in the Pd distribution... explained
further in http://crca.ucsd.edu/~msp/techniques/ (chapter 8, filters.
A simple (I think) example is in 3.audio.examples/H11.shelving.pd and
3.audio.examples/H12.peaking.pd in the Pd distribution... explained
further in http://crca.ucsd.edu/~msp/techniques/ (chapter 8, filters).

cheers
Miller

On Fri, Dec 23, 2005 at 08:24:55AM -0800, Phillip Stearns wrote:
> 
> I'm looking to build a couple of parametric EQs with 4
> to 6 poles.  At the moment I'm looking at the biquad
> equations in the help file and can't make heads or
> tails of them.  I can't find anything helpful on the
> internet either on how those equations relate to the
> frequency response of the filter.  I'm getting into
> FIR filters but am equally confused.  Any suggestions?
>  Has anyone else built parametric EQ modules for me to
> tinker with?
> 
> Thanks!
> Phil
> 
> 
> 	
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