Editing system for PCM signal tape

Details Editing system for PCM signal tape Editing system for PCM signal tape

1979-08-23

1982-03-30

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record editing

G11B 2702

Patent

active

043227562

ABSTRACT:
An editing system for reproduction of coded voice signals including means for smoothly connecting signals in front and back of a connecting part to prevent a click sound caused by the sudden level change of the reproduced sound produced by the connecting part in editing of a PCM signal tape on which the PCM signal is recorded. With such means, the click sound produced at the connecting part can be eliminated either from a hand cutting edition or an automatic electronic edition and the reproduction of the PCM signal after the edition of the PCM signal can be precisely performed.

REFERENCES:
patent: 4000511 (1976-12-01), Kenney
patent: 4041453 (1977-08-01), Umeda et al.
patent: 4146099 (1979-03-01), Matsushima et al.
patent: 4199780 (1980-04-01), Taylor
patent: 4234896 (1980-11-01), Onishi et al.
"P.C.M. for High Quality Sound Signal Distribution: Protection Against Digit Errors", BBC Research Dept., Report No. 1972/18, pp. 1-11.
"A Study on Adaptive Error Compensations of Digitized Acoustic Signals by the Use of Linear Protection Method", by S. Yamasuda et al., Denshi Tsushin Gakkai, Technological Research Report, vol. 78, No. 93, pp. 13-18.

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