Sound recording film

Details Sound recording film Sound recording film

1996-08-20

1998-11-17

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430140, 430 571, 430934, G03C 112, G03C 129, G03C 514, G03C 528

Patent

active

058374400

ABSTRACT:
A black and white silver halide motion picture sound recording film is disclosed comprising a support bearing at least one silver halide emulsion layer, wherein said film is spectrally sensitized both above and below 600 nm. Such film may be used for recording multiple optical soundtracks by exposing said to film with a first source of radiation having a peak wavelength of less than or equal to 600 nm, recording a second digital soundtrack by exposing said film with a second source of radiation having a peak wavelength of greater than 600 nm, and processing said exposed film to form first and second digital soundtrack silver images.

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Eastman Digital Sound Recording Film 2374.TM., Preliminary Data Sheets, 1990.

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