Apparatus for recording digital signals with associated auxiliar

Details Apparatus for recording digital signals with associated auxiliar Apparatus for recording digital signals with associated auxiliar

1994-03-10

1995-08-29

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record editing

360 48, 358343, G11B 502

Patent

active

054465974

ABSTRACT:
In order to reproduce highly important information easily and at high speed, such information is composed into data of fixed length and is assigned from the beginning of a block. Without increasing the recording rate, in order to record a signal so that the highly important information may be reproduced securely, a dummy sync block is inserted immediately before a data sync block which contains the highly important information for defining or explaining the content of the signal to be recorded. To maintain the error correction capability in a normal play mode, moreover, the sync block composition which is the same as in the signal to be recorded is used for the highly important information. In particular, as for such information, by assigning the information in plural sync blocks, reproduction is securely realized also in the case of a trick play mode.

REFERENCES:
patent: 5218454 (1993-06-01), Nagawasa et al.
patent: 5311372 (1994-05-01), Matsumi et al.

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