[sdiy] converting white noise to pink noise

[Robert Lorentz]

My question is, since the MM5837 is garbage white noise on a chip,
what is a better (preferably not obsolete) noise IC to use for this
and other applications?

Robert

On 3/4/08, harrybissell at wowway.com <harrybissell at wowway.com> wrote:
> LOL
>
> Make some ocean or wind sounds, listen to the little train
> go chu-chug-chug in the background
>
> H^) harry
>
>
> On Tue, 04 Mar 2008 06:19:18 -0700, Scott Gravenhorst wrote
> > Yes, thanks Dave.
> >
> > I like this little bit:
> >
> > "The MM5837 provides a uniform noise quality..."
> >
> > shhh-tick-shhh-tick-shhh-tick-shhh-tick-shhh-tick-shhh-tick
> >
> > I guess "uniform" also includes the precise replication of the
> > repeat pattern...
> >
> > John Mahoney <jmahoney at gate.net> wrote:
> > >At 01:47 AM 3/4/2008, Dave Manley wrote:
> > >
> > >>I put a scan of the pink noise generator from the 1976 Audio Handbook here:
> > >>
> > >>http://www.sonic.net/~dlmanley/PinkNatSemiAudioHandbook1976.jpg
> > >>
> > >>The -3dB/octave response is claimed to be +/- 1/4dB from 10Hz to 40kHz.
> > >>
> > >>-Dave
> > >
> > >
> > >Aaaargh, it's the dreaded MM5837, again! Ah, well, it's fine for
> > >testing purposes, it's just no good for making music.
> > >
> > >Thankfully, the pink noise filter is a separate circuit -- and it's
> > >totally passive, to boot. Thank you, Dave.
> > >
> > >John
> > >
> > >
> > >--
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> 8:35 AM
> > >
> > >
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> >
> > -- ScottG
> >
> > -----------------------------------------------------------------
> >
> > -- Scott Gravenhorst
> > -- GateMan-III - FPGA Based Monophonic MIDI Synthesizer with SVF
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>
> Harry Bissell & Nora Abdullah 4eva
>
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