Apparatus for recording audio signals and video signals on a rec

Facsimile and static presentation processing – Facsimile – Recording apparatus

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Details

358342, 358343, 360 191, 360 23, 360 24, H04N 981

Patent

active

050272225

ABSTRACT:
In an audio and video recording apparatus, a video signal is separated into a luminance signal and a chrominance signal. The luminance signal is separated into low frequency and high frequency components. The high frequency component signal is subjected to balanced modulation to be thereafter band-compressed by interleaving the lower side band thereof to the low frequency component. The chrominance signal is processed to be a line sequential color difference signal. An audio signal is sampled and encoded. The luminance signal, the color difference signal and the audio signal are subjected to time-axis compression multiplexing in one frame with a synchronizing signal, address signals and control signals. The multiplex signal is recorded on a recording medium.

REFERENCES:
patent: 4138694 (1979-02-01), Doi et al.
patent: 4618894 (1986-10-01), Ichinoi
patent: 4661863 (1987-04-01), Ichinoi
patent: 4691248 (1987-09-01), Nishimoto
patent: 4812924 (1989-03-01), Fukami et al.
patent: 4823207 (1989-04-01), Kobayashi et al.
"Video Synchronizing Signal Standards and Their Trend (No. 6)", Hoso Gijutsu (Broadcasting Technologies), pp. 92-97, Apr., 1986.

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