Method and apparatus for recording digital picture image signals

Details Method and apparatus for recording digital picture image signals Method and apparatus for recording digital picture image signals

1995-03-31

1999-03-30

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386112, H04N 5783

Patent

active

058899189

ABSTRACT:
A digital picture image signal recording method, in which by sequentially forming tracks on a tape recording medium running at a prescribed speed oblique to its running direction digital picture image signals compressed by a high efficiency encoding technique are recorded using rotary heads and at the same time, and then plural kinds of tracking pilot signals with different frequencies on adjacent tracks are recorded, the method comprises the steps of deriving data which are essential to decoding the recorded digital picture image signals from the high efficiency encoded digital signals, successively establishing record areas in unit of a number of tracks equivalent to a cycle period of the tracking pilot signals that can be distinguished by the pilot signal as one group, and recording data which are essential to the decoding in the recording areas.

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patent: 5461486 (1995-10-01), Uchida
Technical Report of IEICE MR93-28, Oct. 1993, pp. 21-26, "A Study of High Speed Search Technique for Digital VCR with High Bit Rate Reduction System", A. Takeuchi et al.
Scalable Speed Search Technique for Digital VCRs, Kobayashi et al, Matsushita Electric Industrial Co., Ltd. Osaka, Japan.
Azadegan et al., "Data Placement Procedure for Multi-Speed Digital VCR", IEEE Transactions on Consumer Electronics, No. 3, Aug. 1994.

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