`P6027:Xe.
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`ABSTRACTOF THE DISCLOSURE
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`A recording medium includes a video stream of a standard-luminance range and a video
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`stream of high-luminance range, which are used selectively in accordance with a playback
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`environment. The recording medium also includes a subtitle stream of the standard-luminance
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`range and a subtitle stream of the bigh-luminance range, which are used selectively in
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`accordance with the playback environment. A playlist file includes a management region where
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`playback control
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`information relating to a main stream is stored, and includes an extended
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`region. The management region stores first playback control information specifying playing of
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`the video stream of the high-luminance range and the subtitle stream of the high-luminance range
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`in combination. The extended region stores second playback control information specifying
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`playing of the video stream of the standard-luminance range and the subtitle stream of the
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`standard-luminance range in combination.
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`{P60273 04256698 DOC}
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