| 摘要 |
An optical medium has auxiliary information and control data encoded in wobble. The control data specifies action that a drive is permitted or required to take with the auxiliary information. For example, the control data may be used to specify whether a drive reading the medium is permitted to output a region of the auxiliary information. Alternatively, the control data may be used to specify whether a writing drive is permitted to copy a portion of the auxiliary information to a writeable area on the medium.
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