[sdiy] Digital Noise, FYI

[Magnus Danielson]

On 02/16/2011 05:37 PM, 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.

Ah, yes. As always, your mileage may vary.

> 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 ;-)

This only proves that the 909 is a robot, just as suspected. :)
Never the less, could be useful to get into a more controlled fashion.

Cheers,
Magnus