Data placement on tape for a digital video tape recorder suitabl

Details Data placement on tape for a digital video tape recorder suitabl Data placement on tape for a digital video tape recorder suitabl

1992-12-01

1995-03-14

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

G11B 509

Patent

active

053981430

ABSTRACT:
An image carrier for storing video information including a plurality of slant tracks recorded thereon, wherein each of the tracks is characterized as including a predetermined number of sync blocks defining a predetermined track length, wherein each of the sync blocks is divided into first and second portions storing respective first and second digital signals coded therein. The first digital signal permits reconstruction of an input image during a trickplay mode of operation while the second digital signal permits reconstruction of an input image with a comparable resolution during a normal play mode of operation. On the average, the first digital signal of each sync block represents a complete scan line of the input image.

REFERENCES:
patent: 4586183 (1986-04-01), Wilkinson
patent: 4751589 (1988-06-01), Kominami et al.
patent: 4887169 (1989-12-01), Bannai et al.
patent: 5136391 (1992-08-01), Minami
patent: 5245483 (1993-09-01), Van Gestel
"Rate-Constrained Optimal Block-Adaptive Coding for Digital Tape Recording of HDTV", Wu et al., pp. 100-101, Mar. 1991, IEEE Transactions on Circuits and Systems for Video Technology, vol. 1, No. 1.

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