Method of and device for correcting errors and erasures in digit

Details Method of and device for correcting errors and erasures in digit Method of and device for correcting errors and erasures in digit

1993-09-24

1995-09-19

Envall, Jr., Roy N.

Excavating

371 374, 371 381, G06F 1110, H03M 1300

Patent

active

054523109

ABSTRACT:
A method for correcting symbol errors and a method for correcting symbol errors and symbol erasures in a code word composed of plural-bit symbols that has been encoded according to an error protection code with a predetermined symbol error correction capability. The method includes the following steps: (1) imposing an erasure indication for each symbol of a sub-set of the symbols; (2) executing a complete error correction operation by means of the imposed erasure(s); (3) verifying correctness of the error correction operation; and (4) repeating steps 1, 2 and 3 for different sub-sets until either the verifying indicates said correctness or until all relevant sub-sets have been subjected to steps 1, 2 and 3.

REFERENCES:
patent: 4675869 (1987-06-01), Driessen
patent: 4928288 (1990-05-01), D'Aria et al.
patent: 5206864 (1993-04-01), McConnell
"The Art of Digital Audio", J. Watkinson, Focal Press, London, 1988, chapter 7, pp. 201-247.
Philips Technical Review, vol. 40, 1982, No. 6, pp. 166-173.

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