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Friday, March 04, 2005

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troot

On the food for thought train...

Adding a link for a UCSD grad student/friend who has worked for NASA since the 80s, focusing on "auralization technologies" e.g. Creating 3D audio environments for virtual flight systems. Frankly, I would rather he wrote music, but that's just me.

http://humanfactors.arc.nasa.gov/ihh/spatial/personnel/begault.php

Also a pointer to Xenakis' thoughts on the behavior of sound in large crowds (12,000 angry men).

http://www.furious.com/perfect/xenakis.html

"Everyone has observed the sonic phenomena of a political crowd of dozens or hundreds of thousands of people. The human river shouts a slogan in a uniform rhythm. Then another slogan springs from the head of the demonstration; it spreads towards the tail replacing the first. A wave of transition thus passes from the head to the tail. The clamour fills the city, and the inhibiting force of voice and rhythm reaches a climax. It is an event of great power and beauty in its ferocity. Then the impact between the demonstrators and the enemy occurs. The perfect rhythm of the last slogan breaks up in a huge cluster of chaotic shouts, which also spreads to the tail. Imagine, in addition the reports of dozens of machine guns and the whistle of bullets adding their punctuations to this total disorder. The crowd is then rapidly dispersed, and after sonic and visual hell follows a detonating calm, full of despair, dust and death. The statistical laws of these events, separated from their political or moral context... are the laws of the passage from complete order to total disorder in a continuous or explosive manner. They are stochastic laws."

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