| 摘要 |
Method for managing a defective area on an optical disc of writable once type permitting, not only to read and reproduce a data written on a defective area of an optical disc, such as BD-WO regularly in data reproduction by writing the data on a spare area in place of the defective area and managing the data effectively, but also to select and search written location of defect list information, or TDFL information, which becomes effective as a disc finalize operation is executed, exactly, by writing and managing the TDFL information which is navigation information on the defective area, and the written location information and identification information which enable to select and search defect list information written in the DMA assigned to the LIA as the DDS information in a disc finalize operation, thereby permitting regular replacement writing operation, or regular replacement reproducing operation for the defective area.
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