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Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk-erasing operations
Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk-erasing operations
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机译:具有擦除状态指示符的光盘和用于减少光盘擦除操作频率的光盘装置
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摘要
An optical disk includes a user accessible area having a plurality of blocks and flag data recorded on the optical disk. The flag data indicates whether or not each of the blocks is in an erased state in which there is no recorded data. A flag area stores the flag data, and area data indicating that the optical disk has the flag area is recorded on the optical disk.
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