[sdiy] Digital noise sources

Tom Wiltshire tom at electricdruid.net
Thu Mar 27 21:53:05 CET 2008

Sorry to go back to this again, but I wonder if someone could clear  
something up for me. There's something I don't understand:

What's the difference between outputting a random stream of bits at  
high frequency (1-bit digital noise) and outputting a  series of  
random bytes to a DAC (8-bit digital noise)?

Are they equivalent? Is one better than the other?

If someone who understands digital better than I could explain this,  
I'd be very grateful.


PS: Just for grins, I saw this on ebay:

I know how much you'll all be wanting to snap one up!

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