Antw: Re: [PD] [FIR~] , [equalizer] and [biquad~] ... can i make [equalizer] and [biquad~] act like

[andy graybeal]

wow, this is crazy looking.  thanks for sharing this.  i'll play around 
with this.

-andy


Bernhard Neugebauer wrote:

>>>>andy graybeal <graybeal at frognet.net> 02.04.05 21.15 >>>
>>>>        
>>>>
>
>the only way i can get a graph readout of what [equalizer] and [biquad~]
>
>do now is if i use filtergraph.pd (i forget who wrote it).. but it 
>
>
>hello,
>
>an easy way to see the amplitude and phase response of a filter (and of
>every linear, time invariant system) is shown in the attached file
>filterplot_biquad.pd. It s using the [fft~] of the impulse response of
>the filter, you can see the impulse response in the (resizable) array
>response. (The impulse response is what you were drawing in using
>[FIR~].)
>You can also play around with [biquad~] by setting the pole and zero
>positions of the biquad filter. (The adjusted zeros and poles both have
>an conjugate complex counterpart, i.e. the same value but with negative
>imaginary part.)
>
>HTH a bit
>Bernhard
>
>  
>