| 摘要 |
PROBLEM TO BE SOLVED: To prevent the lack of reproduced data. SOLUTION: The reproducing unit is provided with a reproduction means to reproduce a plurality of information data from a recording medium, a memory which stores the information data reproduced by the reproduction means, a memory control means to control the write and read of the information data to the memory, a change means to change a reproduction order specified by reproduction control data indicating the reproduction order of the plurality of information data according to the recorded position of the plurality of information data on the recording medium, a control means which controls the reproduction means and the memory control means to reproduce the plurality of information data according to the reproduction order changed by the change means, and to write them in the memory, and then to read the plurality of information data in the order specified by the reproduction control data from the memory, and a control data processing means which changes the contents of the reproduction control data according to the reproduction order changed by the change means.
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