Path: utzoo!censor!geac!jtsv16!uunet!lll-winken!brutus.cs.uiuc.edu!tut.cis.ohio-state.edu!ucbvax!SNOW-WHITE.MERIT-TECH.COM!goss
From: goss@SNOW-WHITE.MERIT-TECH.COM (Mike Goss)
Newsgroups: comp.sys.sgi
Subject: Stereo viewing techniques
Message-ID: <8909071236.AA15114@snow-white.merit-tech.com>
Date: 7 Sep 89 12:36:03 GMT
Organization: The Internet
Lines: 16

Regarding the continuing discussion of active vs. passive stereo viewing
techniques, there is another point which is relevant to the choice of
system.  It is sometimes necessary for the user of a stereo system to
view other, non-stereo video monitors in addition to a stereo display.
With active glasses, it is necessary to remove the glasses to view other
video sources;  the glasses cause severe flicker otherwise.  With passive
glasses, it is still possible to view other video sources without flicker.
Also, if multiple stereo monitors are in use, active glasses require that
all video monitors have synchronized refresh cycles in order to be viewed
simultaneously; passive glasses do not have this requirement.

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Mike Goss
Merit Technology Inc.
(214)733-7018
goss@snow-white.merit-tech.com