Editing system for videotape sound

Details Editing system for videotape sound Editing system for videotape sound

1978-11-30

1980-07-22

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record editing

360 722, G11B 2702, H04N 578

Patent

active

042142784

ABSTRACT:
A method and apparatus is provided enabling sound editing for videotape to be carried out using procedures substantially identical to those conventionally used when the picture carrying medium is photographic film. Editing is carried out using a mechanical synchronizer, the tape drive of a videotape playback apparatus being slaved to the synchronizer shaft using control signals generated by comparing codes, updated in accordance with cumulative movements of the shaft, with codes recorded on the videotape to identify successive frames of picture information thereon.

REFERENCES:
patent: 3026369 (1962-03-01), Lohmann et al.
patent: 3610815 (1970-03-01), Gould et al.
patent: 3740463 (1973-06-01), Youngstrom et al.
patent: 3748381 (1973-07-01), Strobele
patent: 3824336 (1974-07-01), Gould et al.
patent: 3925815 (1975-12-01), Lemelson
patent: 4115819 (1978-09-01), Shigeta

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