Method and apparatus for maintaining word synchronization after

Details Method and apparatus for maintaining word synchronization after Method and apparatus for maintaining word synchronization after

1982-12-06

1985-06-25

Smith, Jerry

Excavating

375114, 375118, 360 51, 371 5, G06F 1100, H04L 708

Patent

active

045258406

ABSTRACT:
In the reproduction of digitally encoded signals, especially the time-compressed sound signals recorded along with video signals, the signals are recorded in segments interposed between sync words which are not all the same but which form a cyclical sequence. In reproduction, two or more data segments and their associated sync words are temporarily stored and correctly picked-up sync words are recognized, but when a sync word is missed, the starting address of the missing sync word is established with reference to a preceding correctly picked-up sync word by a calculating operation, whereby word synchronism is maintained for the data following the missed sync word.

REFERENCES:
patent: 3873920 (1975-03-01), Apple
patent: 4208650 (1980-06-01), Horn
patent: 4275466 (1981-06-01), Yamamoto
patent: 4353130 (1982-10-01), Carrasso et al.
patent: 4357702 (1982-11-01), Chase et al.
patent: 4404675 (1983-09-01), Karchevski
patent: 4461002 (1984-07-01), Nanko

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