| 摘要 |
A DVD-R disc which is unusable due to a mechanical error in use can be reused. Recording zones 0 to 2 are sequentially formed from the lead-in side to the lead-out side on the DVD-R disc. When an ECC error occurs due to mechanical damage generated during recording picture information 3 in zone 2 in a DVD-VR format, the readable normal latest log information (e.g., log information 2) of log information 2 in zone 1 and log information 1 in zone 0 is moved to the end of zone 2 in which the damage is repaired. After that, recording can be executed in zone 3 next to zone 2.
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