G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 11/10 (2006.01) G11B 20/18 (2006.01) H03M 13/15 (2006.01) H03M 13/47 (2006.01)
Patent
CA 2312916
A codeword (102) for use in error correction of digital optical media, the codeword (102) having a plurality of data symbols and a plurality of parity symbols (PA1, PA2, PB3, PB4), and includes an augmented channel word (DAB) which can be read as either a first value (DA) or a second alternate value (DB). The augmented channel word is one of the plurality of data and parity symbols, wherein the augmented channel word retains its value irrespective of any error correction performed.
L'invention porte sur un mot chiffré (102) servant à la correction d'erreurs sur des supports numériques optiques. Ledit mot chiffré (102) présente une série de symboles de données, et une série de symboles de parité (PA1, PA2, PB3, PB4) et comporte un mot de canal allongé (DAB) pouvant être lu soit comme valeur première (DA), soit comme valeur de remplacement (DB). Ledit mot allongé, pris parmi les différents symboles de données ou de parité, conserve sa valeur indépendamment de toute correction d'erreur effectuée.
Macrovision Europe Limited
Robic
T.t.r. Technologies Ltd.
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