X-Message-Number: 21585
From: 
Date: Sat, 12 Apr 2003 08:11:11 EDT
Subject: WEB HDTV

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Seen an information on ZD-Net about a Japan concert on April 16 distributed 
in HDTV with a picture quality superior to DVD. It will be a test bed for 
that new technology. I think it is interesting because that will push the 
ADSL bandwidth, disk capacity and processing power up. All of that is in dire 
needs for distributed computing for a brain reader. If building back a 
picture in a first generation MRI brain scan asks for 10^21 floating-point 
operations and there are 100,000 processors, then each must crush 10^16 fpo. 
Assume a computing time in the 100,000 seconds range, that ask for a 
processing power near 10^11 operations per second. This is 3 orders of 
magnitude beyond the present generation. Either we must wait for 15 years or 
look at some "super-Moore" evolution. HDTV could be a driver for that 
evolution.

Y. Bozzonetti.

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