Digital video tape recorder apparatus

Details Digital video tape recorder apparatus Digital video tape recorder apparatus

1984-04-27

1986-06-24

McElheny, Jr., Donald

Dynamic magnetic information storage or retrieval

Monitoring or testing the progress of recording

360 103, 360 32, 360 381, 371 2, H04N 5782

Patent

active

045970203

ABSTRACT:
Digital video tape recorder apparatus comprises, at the recording side, a field store controlled by a programmable read-only memory to shuffle samples making up a digital television signal prior to recording, the shuffling alternating between a first and a second predetermined manner field by field of the television signal. At the reproducing side of the apparatus a reverse de-shuffling process is carried out.

REFERENCES:
patent: 4224642 (1980-09-01), Mawatari et al.
patent: 4277807 (1981-07-01), Baldwin
patent: 4352129 (1982-09-01), Baldwin
patent: 4467373 (1984-08-01), Taylor et al.
patent: 4470142 (1984-09-01), Ive
Baldwin, "The Effect of Word Distribution on the Error Management of Digital Television Recorders", SMPTE Journal, Jun. 1983, pp. 642-645.

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