Title:
DIGITAL SOUND REPRODUCING SYSTEM FOR MOTION PICTURE FILM
Document Type and Number:
Japanese Patent JPH07230130
Kind Code:
A
Abstract:
PURPOSE: To provide a digital sound reproducing system for motion picture film capable of obtaining a high-quality sound signal having few wow sound.
CONSTITUTION: Based on the reference clock signal CKREF of frequency in proportion to film traveling speed in the stable traveling state of the motion picture film 1 obtained by an optical frequency generator 30 set in an analog sound reproducing part in a projector, the sound signal SOUT is generated by performing signal-processing to a digital sound signal SDS obtained by a digital sound reproducing machine 10 from the digital sound track of the film 1 by a signal processor 40.
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Inventors:
KANBE SHUICHI
Application Number:
JP2150194A
Publication Date:
August 29, 1995
Filing Date:
February 18, 1994
Export Citation:
Assignee:
SONY CORP
International Classes:
G03B31/00; G03B31/02; G11B20/10; (IPC1-7): G03B31/00; G03B31/02; G11B20/10
Attorney, Agent or Firm:
Akira Koike (2 outside)
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