Interleaving/deinterleaving apparatus for a digital video casset

Details Interleaving/deinterleaving apparatus for a digital video casset Interleaving/deinterleaving apparatus for a digital video casset

1993-11-08

1996-12-03

Tran, Thai Q.

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 48, H04N 576, G11B 509

Patent

active

055813615

ABSTRACT:
The interleaving/deinterleaving region of compressed image data is restrictively determined in accordance with a predetermined maximum speed, and interleaving/deinterleaving is performed within the restricted interleaving/deinterleaving region. Various burst and random errors can be effectively processed and corrected, especially in variable speed play since the compressed image data is stored in and read out from a memory with a different format. In recording and reproduction, the compressed image data is scanned per data segment in zigzag form and the data sequence of the input data segment is changed, resulting in interleaving being performed with data continuity maintained. Error correction capability is improved by performing outer and inner coding with respect to the interleaved data.

REFERENCES:
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patent: 5291282 (1994-03-01), Nakagawa et al.
Patent Abstracts of Japan, vol. 9, No. 35 (E-296) 14 Feb. 1985.
Patent Abstract of Japan, vol. 10, No. 38 (P-428) 14 Feb. 1986.
Hawthorne et al, "Error-Correction Scheme for Storage System", IEEE Journal on Selected Areas in Communications, vol. 10, No. 1, Jan. 1992, pp. 267-275.
Watkinsin, J., The Art of Digital Video, Error Correction, pp. 317-323.
Watkinsin, J., The Art of Digital Video, The D-1 Color Difference DVTR Format, pp. 391-393.

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