| 摘要 |
<p>An information playback apparatus includes a reading unit (2) which reads data from an information storage medium on which video data is recorded, first audio data synchronized with the video data, second audio data not synchronized with the video data, first playback information which defines a playback order of a predetermined unit data included in the video data, and second playback information for playing back the second audio data in correspondence with sequential playback of the predetermined unit data defined by the first playback information, and an audio data playback unit (3,4,10,11,12,14) which selects any one of a first playback process for playing back the first audio data and a second playback process for playing back the second audio data based on the second playback information.
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