[sdiy] Digital Noise, FYI

[Noah Vawter]

this reminds me of the pink noise generator algs a group worked  
together to design on comp.dsp a few years back.  someone summed up  
the results very nicely and still updates them from time to time at:

http://www.firstpr.com.au/dsp/pink-noise/


On Feb 16, 2011, at 11:37 AM, Colin f wrote:

>
>>> Richie B. suggested recently that 80KHz is a reasonable
>> minimum clock
>>> rate for noise which is flat (white) in the audio band.
>>> That fits with my own experiments.
>>
>> I would use higher clock-rates than that. A fixed 1 MHz or something.
>
> Depending on your application, you might want to use a low rate, to  
> get a
> grungier sound.
> I'll need to try to grab a sample of a clock-swept LFSR.
> If you listen to a 909 noise generator output as the supply voltage  
> falls to
> zero, it sounds like a robot having a stroke ;-)
>
> Cheers,
> Colin f
>
>
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