Messages in this thread | | | From | "van Heusden, Folkert" <> | Subject | RE: Intel 810 Random Number Generator | Date | Thu, 27 Jan 2000 15:58:12 +0100 |
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That depends on what frequency you retrieve your samples... If it's like every 100th of a second, that's not so much data (100 bytes) but including these 60Hz artifacts.
> compressors have limited windows, and 60Hz is a long time, > to a computer. depending on how fast the noise source is, > 16.6ms might well be outside its window. especially if the > stream is otherwise random, and thus not very compressible... > > > > I think you can "remove" (well, not literally) > > some of the not-so-random data in the inputs > > for the random generator (like the 60Hz of the > > current, processor harmonics, etc.) by first > > sending the random-data trough a compressor. > > bzip2 or gzip or whatsoever. By compressing > > data, you'll remove redundancy from data which > > should remove repeating events like the 60hz > > stuff. See also the thread that spawned on this > > mailinglist on that message I wrote about the > > randomness of the kernel :-) >
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