Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1988-05-26
1990-04-24
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
360 191, 360 91, 358138, G11B 700, H04N 576
Patent
active
049204246
ABSTRACT:
A method of recording N-channel video signals and M-channel audio signals (N, M being natural numbers) includes the steps of periodically extracting the video signal for one unit period, thereby thinning out the video signal, for each of the N-channel video signals, in turn combining the extracted video signals by a time division multiplexing operation. The method also includes the step of coding each of the M-channel audio signals to form M code trains, compressing in time each of the M code trains by a factor of 1/M or less and dividing each of the M code trains into a plurality of blocks, successively combining each block from the M code trains by a time division multiplexing operation. The video and audio signal obtained by the above multiplex operations are recorded on a single recording medium.
REFERENCES:
patent: 4752832 (1988-06-01), Higurashi
patent: 4794465 (1988-12-01), Van Luyt
patent: 4800446 (1989-01-01), Kanamaru
Amaya Toshiyuki
Daito Toshiji
Hosaka Sumio
Itoh Hiroshi
Jinguji Takumi
Pioneer Electronic Corporation
Richardson Robert L.
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