Data rearrangement processing apparatus for digital video signal

Details Data rearrangement processing apparatus for digital video signal Data rearrangement processing apparatus for digital video signal

1991-09-18

1994-02-22

Gensler, Paul

Dynamic magnetic information storage or retrieval

Converting an analog signal to digital form for recording;...

371 381, 371 44, G11B 500, G11B 509

Patent

active

052893227

ABSTRACT:
An apparatus is described for rearranging the relative positions of data samples of a digital video signal within each field of the video signal, for use in a digital VTR in which alternate samples are separated into two different recording channels to be recorded on different tracks of a recording medium. The apparatus includes an intra-line shuffling circuit and a field memory into which output data from the shuffling circuit are written, such that adjacent samples which are of the same channel and are located mutually adjacent in the same line of the video signal are read out from the memory and recorded on respectively different tracks of the recording medium, thereby ensuring that if a sample is lost due to a read error, the adjacent samples of the same channel will always be available for use in interpolation processing to compensate for the lost sample.

REFERENCES:
patent: 4748519 (1988-05-01), Lagadec et al.
patent: 4751590 (1988-06-01), Wilkinson
patent: 5185740 (1993-02-01), Kurose et al.
"19-mm type D-2 composite format-helical data and control records", SMPTE Journal, Jul. 1990.

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