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cross interleaved Reed Solomon code (CIRC)

Cross Interleaved Reed Solomon Code (CIRC) is an error correction method developed specifically for compact discs

(CDs) and evolved from the Reed Solomon Code. CIRC is specified in the Red Book. The CIRC correction method detects errors by interleaving data and adding parity bits

. The general bit error rate (BER) for compact discs is between 10exp-5 to 10exp-6. The subsequent Cross Interleaved Reed Solomon Code reduces this error rate to 10exp-10 to 10exp-11. This corresponds to approximately one bit error per gigabyte.

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Englisch: cross interleaved Reed Solomon code - CIRC
Updated at: 24.01.2013
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