| 摘要 |
The present invention comprises generating sections which generate intermediate information for error correction processing in units of surfaces from an error correction block stored in a first storage section, the error correction block having A/B surfaces, second storage sections which store intermediate information, a processing section which generates correction information that carries out error correction processing in several units divided within units of surfaces for the error correction block stored in the first storage section on the basis of the intermediate information, and control sections which correlate position information of the error correction block with position information in units of surfaces for use in the generating sections, the second storage sections, and the processing section.
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