How to define a logarithmic bandpass filter (minim)

edited January 2015 in Library Questions

Hi there, I am looking for a way to define a filter like the ones at the botom of page 1 of https://www.sparkfun.com/datasheets/Components/General/MSGEQ7.pdf . I have used a ddf.minim.effects.BandPass but its response is linear. Is it possible to define an IIRFilter that would have a logarithmic response curve ?

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