Optics: motion pictures – With sound accompaniment – Methods
Patent
1978-05-19
1980-05-20
Adams, Russell E.
Optics: motion pictures
With sound accompaniment
Methods
352 6, 352 7, 352 10, 352 25, 352 40, 352 85, 352 92, 179 1AT, G03B 3100
Patent
active
RE0302783
ABSTRACT:
A special effects system for simulating physical sensations in an audience during the presentation of a motion picture. Relatively high intensity, very low frequency random noise is acoustically coupled to a theater space to produce psychological and physiological sensations, much as earthquake movements, in the audience. The special effects are controlled by a control sub-channel which is either frequency multiplexed onto a conventional optical audio track or, in a magnetic stripe film format, the control sub-channel is placed on an accompanying optical track. The presence and amplitude of two control frequencies in the sub-channel are detected and logically combined, providing four separate digital function control signals and two analog control signals which are variable in amplitude.
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Leonard Robert J.
Stumpf Richard J.
Watson Waldon O.
Adams Russell E.
MCA Systems, Inc.
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