| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a data control apparatus, a data backup apparatus and a program for easily reproducing a video and an audio of main program data in a synchronized manner. <P>SOLUTION: The data control apparatus includes: a separating unit 101 for separating material data included in original video and audio files into a used portion and an unused portion, based on editing information indicating the used portion of the material data in the video and audio files, and generating first data including only the used portion and second data including only the unused portion; a connection information generation unit 103 for generating connection information associating information about positions of the first data and the second data in the original video and audio files with information about positions of the first data and the second data on an external storage medium; and a formatting unit 105 for arranging the first data, the second data, the connection information, and the editing information in a predetermined order, and outputting, as backup data, the first data, the second data, the connection information, and the editing information. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
