Digital recording and/or reproduction apparatus of video signal

Details Digital recording and/or reproduction apparatus of video signal Digital recording and/or reproduction apparatus of video signal

1994-05-02

1995-12-05

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 53, 360 32, 358335, G11B 509, H04N 576

Patent

active

054734797

ABSTRACT:
In a digital VTR that carries out magnetic recording and reproduction by bit rate reduction coding a digital video signal, a fixed length block is formed by controlling the code amount of a large block including a plurality of small blocks located distant from each other on a screen at the time of recording. The fixed length block is divided into a plurality of recording blocks so that the main components of respective small blocks are included separately on the recording blocks. The recording blocks are rearranged so that recording blocks including the main components of small blocks adjacent on a screen are also adjacent on a recording medium. Thus, the possibility of deviation in the information amount of each large block is suppressed to improve efficiency of bit rate reduction coding, and to obtain a high speed reproduced picture of high quality.

REFERENCES:
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patent: 5173773 (1991-12-01), Ueda et al.
patent: 5175631 (1991-12-01), Juri et al.
patent: 5309292 (1994-05-01), Takakura
patent: 5351131 (1994-09-01), Nishino et al.
IEEE Transactions on Consumer Electronics, vol. 37, No. 3, Aug. 1991. New York US pp. 261-266--C. Yamamitysu & Al. `A study on trick plays for digital VCR`.

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