| 摘要 |
The present invention provides an optical disk drive, optical disk recording method, optical disk recording program and a recording medium having the optical disk recording method recorded therein, applicable to a DVD drive, for example, to permit recording of also a file of still pictures other than moving pictures with a sufficient extension of the recording ability of the optical disk. To this end, individual management information can be accessed via guide information for an extended file in consideration and an identification code CAT ID indicative of the type of the extended file and recording format CAT INFO TYPE of the management information are allocated to the extension-file guide information.
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