| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of dividing a data stream such as a video data stream consisting of one or more files by which a dividing position is arbitrary. SOLUTION: The method of dividing the data stream consisting of one or more files into first and second sub-stream comprises a step of detecting a minimum data unit which can be defined as an independent file containing an intended dividing position in the data stream, a step of generating an independent first file containing the data unit having the desired dividing position and optionally one or more adjacent data units, a step of generating a second file containing stream data preceding that in the first file and a third file containing stream data following that in the first file, and a step of referring to the first sub-stream through the first and second files and referring to the second sub-stream through the first and third files. COPYRIGHT: (C)2006,JPO&NCIPI
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