[sdiy] converting white noise to pink noise

Jim Patchell patchell at cox.net
Sun Mar 2 17:15:45 CET 2008


No, actually real close...pink noise rolls of at 3dB/octave.  It is a 
little tricky trying to figure out where the pole/zero combinations need 
to be to get this rolloff.  I have a book here...someplace...that has 
the details unless somebody else knows a link.

-Jim

ahlist wrote:
> Hello,
> 
> I would like to take an existing white noise source and add a pink noise source.
> 
> In my naivety, I assumed pink noise was just "filtered" white noise. I
> now know it is much more than that.
> 
> However I thought I would still ask - is there any way to take an
> existing source of white noise and create
> a circuit from it that outputs pink noise?
> 
> My goal would be to modify synths like the Roland SH series, etc.
> white noise source to output pink.
> 
> Thanks.
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