[sdiy] Digital Noise, FYI

[Scott Gravenhorst]

Matthew Smith <matt at smiffytech.com> wrote:
>Quoth Scott Gravenhorst at 16/02/11 23:16...
>...
>> The list includes LFSR lengths from 3 bits to 168 bits.  The more taps, the better.  I
>> typically use 64.

OOPS - I meant - "the more bits the better" not "the more taps the better" ...

>
>The CPLD I'll be using won't be performing any other functions - I think 
>I'll just keep adding stages until the ISE software tells me I've run 
>out of resources!
>
>I'm guessing that I'd feed my 12-bit DAC from the lower 12 stages - is 
>there a better point or is this OK?
>
>Will probably have my clock range from about 1kHz to 1MHz - upper end 
>for noises, lower end for Weird Noise :-)

It makes no real difference what 12 bits you pick.  I use the ones on the low end, but the high
end, in the middle - won't change what it sounds like.


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>Matthew Smith
>
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-- ScottG
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-- Scott Gravenhorst
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