Reproduction of digital audio data optically recorded in a motio

Details Reproduction of digital audio data optically recorded in a motio Reproduction of digital audio data optically recorded in a motio

1994-10-27

1996-09-03

Epps, Georgia Y.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369273, 3692751, 352 27, 352 37, 352 5, 352 25, G11B 376, G11B 700, G03B 3106

Patent

active

055530494

ABSTRACT:
An apparatus for optically reproducing digital speech data recorded on a motion picture film is disclosed. The digital speech data recorded on an emulsifier surface of the motion picture film is illuminated with an illuminating light from the side of a base surface of the motion picture film, and the light transmitted through the emulsifier surface is collected as an incident light by a reproducing lens. With the present apparatus, it is possible to reduce the variations in the volume of the light of the reproduced digital signals otherwise caused by the scratch of dust present on the film base surface.

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Asakura, T. "Oyo Kogaku", Asakura Shoten, pp. 112-119.

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