Error correcting system

Details Error correcting system Error correcting system

1979-04-16

1980-12-09

Atkinson, Charles E.

Excavating

360 32, 360 53, 371 38, G06F 1110

Patent

active

042388520

ABSTRACT:
Blocks of digital words containing an error correcting word are time interleaved into time-interleaved blocks of words, each of which contains no more than one word from any one of the original blocks. The time-interleaved blocks of words are converted to a bit-by-bit serial digital data stream which is time-base compressed to permit insertion therein of an error detecting code word and synchronizing signals. The resulting serial data stream may be recorded on a VTR. After reproduction, each time interleaved block is checked for errors and is then time de-interleaved to reconstruct the original blocks of digital words. If one or more errors exist in words in a time-interleaved block, no more than a single word in any one of the time de-interleaved blocks contains an error. Single-word errors in a reconstructed block are corrected using the error correcting word accompanying the reconstructed block.

REFERENCES:
patent: 3582881 (1971-06-01), Burton
patent: 3585586 (1971-06-01), Harmon et al.
patent: 4145683 (1979-03-01), Brookhart
patent: 4146099 (1979-03-01), Matsushima et al.
patent: 4151510 (1979-04-01), Howell et al.
T. Doi et al., A Long-Play Digital Audio Disk System, Journal of _Audio Engineering Society, 1979, Dec., vol. 27, No. 12, pp. 875-981.

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