| 摘要 |
[Object] To Reduce Read Errors. [Solving Means] Where new data recording is started from LRA (old) and a record error is detected, at position P 0 , an extent is closed and the record position is made to jump from the position P 0 to position P 1 . Further, a new extent is set, at the position P 1 so that the data recording is continued. Further, a range from the position P 0 where the record error was detected to the position P 1 where the new data recording was started is registered, as a defect sector. The present invention can be used for a Blu-Ray-Disc-capable recording-and-reproducing system.
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