[PD] frequency-separating filter

Martin Peach martinrp at vax2.concordia.ca
Mon Sep 26 18:49:01 CEST 2005

Apart from the fact that a subwoofer acts as its own lowpass filter, you 
could put 6 [lop~]s in a chain.


Florian Grond wrote:

> Dear List,
> We are working at an installation with four channel audio and a sub. 
> Since the sub has not bas management  we would like to build an 
> frequency-separating filter in pd at 85 Hz.
> The cross over slopes should be as steep as possible. Has anybody ever 
> implemented something like that?
> What about hip~ and lop~, they seem not to have a very steep cross 
> over slope, 6 dB per oct. We would look for something like 36 dB per oct.
> Thanks,
> Florian
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