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From: albert@kim.Berkeley.EDU (Anthony Albert)
Newsgroups: net.video,net.audio,net.movies
Subject: Movie sound formats
Message-ID: <14889@ucbvax.BERKELEY.EDU>
Date: Wed, 16-Jul-86 19:39:48 EDT
Article-I.D.: ucbvax.14889
Posted: Wed Jul 16 19:39:48 1986
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Reply-To: albert@kim.Berkeley.EDU.UUCP (Anthony Albert)
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Xref: watmath net.video:2873 net.audio:9001 net.movies:10932

I've been wondering about this for a long time. What are the characteristics
of: 6 track dolby stereo, 4 track dolby stereo, THX sound, and dolby surround
sound? Is 6 track dolby stereo 6 distinct tracks? What about 4 track stereo?
Is "surround sound" an artifact of home video; I mean is this one of the other
formats adapted for home video? I hear that surround sound is stereo in front
and one mono track in the rear. This would make it 3 track stereo, right? And
I know nothing about THX. Are there others I've left out? And does anyone know
the history of multitrack film audio?

I have posted this to net.video, net.audio, and net.movies. I think a discussion
about this would be interesting to people in all three groups, however, I
usually only read net.video. So, please reply to me directly, or to some
combination of the newsgroups which includes net.video. I actually think it is
more interesting to have replies to the net for others to react to, but I'll
summarize any which are mailed to me directly.

				Anthony Albert
				..!ucbvax!kim!albert
				albert@kim.Berkeley.EDU