| 摘要 |
A data recording apparatus may include a recording section for recording a plurality of record data onto a recording medium; a section for generating first playback existence/non-existence information of the record data, respectively, recorded on the recording medium; a section for generating first reference order information of the first playback existence/non-existence information; a section for generating second playback existence/non-existence information of the record data, respectively; a section for generating second reference order information of the second playback existence/non-existence information; and from the time that the record data has been recorded onto the recording medium to the time that common data management information among apparatuses is finally recorded onto the recording medium, a control section for controlling the recording section so as to record the first playback existence/non-existence information and the first reference-order definition information, and then to record the second playback existence/non-existence information and the second reference-order definition information.
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