| 摘要 |
An apparatus for processing information data and playback description data indicating a playback procedure of the information data newly generates modified information data by using part of the information data, modifies the playback procedure such that the modified information data is played back instead of the part of the information data, and modifies the content of the playback description data in accordance with the modified playback procedure. The playback description data includes playback time information relating to a playback time of the information data. The apparatus modifies the playback time information in accordance with the modified playback procedure.
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