Motion picture film and reproducing device therefor

Details Motion picture film and reproducing device therefor Motion picture film and reproducing device therefor

1993-12-30

1996-07-16

Gellner, Michael L.

Optics: motion pictures

With sound accompaniment

Common picture and sound record carrier systems

352 37, 360 48, G03B 3102, G11B 509

Patent

active

055371655

ABSTRACT:
In a motion picture film of the present invention, audio data digitized from right channel analog audio signals is held in a recording region provided in a left channel digital sound track having the left channel audio data recorded in it, while audio data digitized from left channel analog audio signals is held in a recording region provided in a right channel digital sound track having the right channel audio data recorded in it. With a reproducing system for reproducing the motion picture film of the present invention, unless the left and right channels are destroyed simultaneously, the audio data reproduced from the sound track is used in substitution for the audio data from the destroyed channel to compensate for playback sound interruption.

REFERENCES:
patent: 4202018 (1980-05-01), Stockham, Jr.
patent: 4600280 (1986-07-01), Clark
patent: 4707818 (1987-11-01), Suzuki et al.
patent: 5155510 (1992-10-01), Beard
patent: 5194996 (1993-03-01), Shores
patent: 5327182 (1994-07-01), Kohut et al.

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