Mike Andrews wrote:

[...]

You might find Terry Ritter's work on getting a good noise source to
be of at least a bit (ahem!) of interest:

http://www.ciphersbyritter.com/NEWS5/FMRNG.HTM

There are lots of other hits in Google for a search on
'calibrated "pseudo random" noise'
(without the outer single quotes).

It's hard to generate good noise, and at least as hard to find it.

--
Mike Andrews

Tired old sysadmin

Also take a look at Terry's analysis of various other noise sources:

http://www.ciphersbyritter.com/NOISE/NOISRC.HTM

Good noise is hard to find

Mike Monett