PCM Record reproducer

Details PCM Record reproducer PCM Record reproducer

1980-08-28

1983-12-27

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record editing

360 32, G11B 2702, G11B 500

Patent

active

044234414

ABSTRACT:
A PCM record reproducer comprises a coder circuit for forming PCM signals by adding error detection codes to data signals in a predetermined pattern; a splice detection circuit for determining a splice point of a magnetic tape by finding inconsistency of the detected result of said error detection code depending upon said PCM signals read-out from said magnetic tape in which said PCM signals are recorded; and an editing circuit for editing said PCM signals when the splice point is determined by said splice detector circuit.

REFERENCES:
patent: 3050105 (1962-08-01), Dolby
patent: 4063284 (1977-12-01), Tarami
patent: 4143406 (1979-03-01), Tsuiki et al.
patent: 4146099 (1979-03-01), Matsushima et al.
patent: 4234896 (1980-11-01), Onishi et al.
patent: 4238852 (1980-12-01), Iga et al.
patent: 4281355 (1981-07-01), Wada et al.
"On Tape-Cut Editing with a Fixed Head Type PCM Tape Recorder" by K. Tanaka et al., IEEE Transactions, vol. AS5P-27, #6, 12/79.
"Toshiba's PCM Magnetic Recording & Reproducing Apparatus" by Nakamura et al., Hoso Gijutsu 1978-11, pp. 765-770.

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