AW: [sdiy] converting white noise to pink noise

Ullrich Peter Peter.Ullrich at
Mon Mar 3 14:57:14 CET 2008

Wikipedia says 3dB/octave filteres white noise... Pink noise sample is also there:


-----Ursprüngliche Nachricht-----
Von: synth-diy-bounces at [mailto:synth-diy-bounces at] Im Auftrag von Tim Daugard
Gesendet: Montag, 03. März 2008 14:22
An: ahlist; synth-diy at
Betreff: Re: [sdiy] converting white noise to pink noise

> In my naivety, I assumed pink noise was just "filtered" white noise. I
> now know it is much more than that.

Close enough. I had seen a filter network to convert white to pink, but I haven't found it in my links yet.

> 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?

I suspect that a 6db per octave would be sufficient for your needs. As anyone listened for the difference between pink noise and 6db filtered white noise?

Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL (Fred's online edition)

Synth-diy mailing list
Synth-diy at

More information about the Synth-diy mailing list