Slow down color processor for video disc mastering using a speci

Details Slow down color processor for video disc mastering using a speci Slow down color processor for video disc mastering using a speci

1979-10-22

1981-07-07

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Static presentation processing

Attribute control

3581286, 360 10, 269 60, 269 61, 269 84, H04N 5795, G11B 1100, G11B 1928

Patent

active

042777968

ABSTRACT:
Selected fields of a redundant field slow motion video tape reproduced video signal are stored in a memory at a given clock rate and recovered at a lower clock rate that is inversely proportional to the number of times each field is repeated so as to produce a non-redundant video signal of reduced bandwidth. An audio signal is simultaneously reproduced from the tape at a rate less than that at which it was originally recorded and combined with the recovered video signal to produce a composite audio-video signal of reduced bandwidth possessing the full informational content of the original audio and video signals. The composite signal is suitable for application to the cutterhead of a video disc mastering lathe operating at reduced turntable speed whereby full bandwidth master recordings may be made with a cutterhead of lesser bandwidth.

REFERENCES:
patent: 3909839 (1975-09-01), Inaba et al.
patent: 4018990 (1977-04-01), Long et al.
patent: 4035590 (1977-07-01), Halter
patent: 4044379 (1977-08-01), Halter
patent: 4060831 (1979-11-01), Halter
patent: 4080626 (1978-03-01), Hurst et al.
patent: 4133009 (1979-01-01), Kittler
patent: 4163994 (1979-08-01), Sakamoto et al.
patent: 4165521 (1979-08-01), Watanabe

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