| 摘要 |
There is provided an optimum format for recording an AV stream of a digital broadcast or the like, omitting a reproduction of an unnecessary stream previous or subsequent to the recorded stream, and controlling a genuinely needed reproduction range in frame units. A configuration is such as to record a GOP position of a reproduction start of a recorded AV stream file, and a frame position thereof, as well as a GOP position of a reproduction finish and a frame position thereof, in a management file.
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