[AH] Red noize

Christopher Jeris cjeris at math.mit.edu
Fri Feb 4 21:44:10 CET 2000


On Fri, 4 Feb 2000, Andy Mucho wrote:
> White noise = equal power per hertz
> Black noise = a frequency spectrum of predominately zero power level over
> all frequencies except for a few narrow bands or spikes

>From D. E. Knuth, The art of computer programming, volume 2,
Seminumerical algorithms, 3rd edition 1997, page 3:
 Advances in technology made tables [of random numbers] useful again
 during the 1990s, because a billion well-tested random bytes could be
 distributed on CDROM.  George Marsaglia helped resuscitate random
 tables in 1995 by preparing a demonstration disk that contained 650
 random megabytes, generated by combining the output of a noise-diode
 circuit with deterministically scrambled rap music.  (He called it
 "white and black noise.")

peace,
Chris Jeris





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