[AH] Red noize

[Magnus Danielson]

From: Christopher Jeris <cjeris at math.mit.edu>
Subject: RE: [AH] Red noize
Date: Fri, 4 Feb 2000 15:44:10 -0500 (EST)

> 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.")

He, Donald Knuth is a fun guy at times ;)

And George Marsaglia's Black noise isn't the Black noise from above... but I
love the description ;^)

Cheers
Magnus (currently listening to French Noise from that Jean Michel fellow)