Recording method for video and audio signals in magnetic picture

Details Recording method for video and audio signals in magnetic picture Recording method for video and audio signals in magnetic picture

1986-04-09

1987-03-31

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358328, 358341, 358343, 360 191, H04N 9491

Patent

active

046547240

ABSTRACT:
A recording method for magnetic recording and further high-density recording of video and audio signals by multiplexing them by frequency division, which is made free of crosstalk among audio signals by varying frequencies of carriers between adjacent tracks which are to be modulated with audio signals. Furthermore in the case of field skip recording, the audio signals of the fields to be skipped are recorded separately, then read out during the next recording field, multiplexed in frequency division together with the audio signals of the recorded field and recorded in a magnetic disk to record continuous audio signals.

REFERENCES:
patent: 3969756 (1976-07-01), Palmer
patent: 4416002 (1983-11-01), Oguino et al.
patent: 4476501 (1984-10-01), Hirota et al.
patent: 4486793 (1984-12-01), Todd

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