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This article is from the rec.arts.movies.tech FAQ, by Scott E. Norwood snorwood@nyx.nyx.net with numerous contributions by others.

4.6 What methods have been used for digital sound in formats other than 35mm?

[under construction]

As mentioned in the 70mm section, DTS (tm) timecode has been printed
on 70mm prints (most notably the 1996 restoration prints of Vertigo),
and used to drive a DTS (tm) CD-ROM disk, from which sound was
reproduced as with the 35mm implemetation of DTS (tm) . A standard DTS
(tm) setup is required for this type of system, as well as 70mm
timecode readers (which are swapped in for the 35mm variety as
needed), and, often, a second DTS (tm) CD unit, which holds a
duplicate set of CDs and provides a backup should the first unit fail.

As of February, 1998, there is no indication as to whether Dolby (tm)
or Sony (tm) were planning to adapt their 35mm digital systems for use
with 70mm.

 

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• prev: 4.5 What are the three commonly used digital sound formats for 35mm release prints, and how do they work?
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• next: 5.1.1 Projector/Lamphouse (Motion Picture Presentation - theatrical projection)

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