Data reproducing method and data reproducing apparatus

Details Data reproducing method and data reproducing apparatus Data reproducing method and data reproducing apparatus

2007-05-08

2007-05-08

Chase, Shelly (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

10746007

ABSTRACT:
In encoding digital data, scrambling is executed after error correction encoding is completed. In decoding digital data, error correction processing is executed after descrambling is completed. In the error correction processing, after syndrome calculation is performed, syndrome s0is used to determine the location and value of an error; the error value is subtracted from each syndrome value; and the result is divided by a fixed value. This process realizes a digital data encoding and decoding system providing substantially the same correcting ability as a conventional process except that error propagation occurs through descrambling.

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