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From: newton2@ucbtopaz.CC.Berkeley.ARPA
Newsgroups: net.audio
Subject: Re: information theory tutorials
Message-ID: <675@ucbtopaz.CC.Berkeley.ARPA>
Date: Wed, 23-Jan-85 18:18:54 EST
Article-I.D.: ucbtopaz.675
Posted: Wed Jan 23 18:18:54 1985
Date-Received: Sun, 27-Jan-85 07:49:18 EST
References: <2795@Glacier.ARPA>
Organization: Univ. of Calif., Berkeley CA USA
Lines: 13

One thousand consecutive 1's aren't much information? Well, it's exactly
one kilobit of information, quite informative since it's a single message
chosen from a universe of 2E1000 possible messages assuming the most obvious
coding scheme. Sounds like the information theory tutorial should start
signing up tutees instanter.

I'd also like to hear of an example of a "high-speed" (voice circuit) modem
that actually employs the fanciful data-compression scheme alluded to
for squeezing N lbs. of info through a .5N pipe. Multilevel quadrature
amplitude modulation or phase-shift keying have proved adequate to account
for all the modem standards of which I'm aware (ranging up to 16 kB/s).

Doug Maisel