Recording medium and method and apparatus for reproducing and recording text subtitle streams
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United States of America Patent
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Jul 7, 2009
Grant Date -
Sep 1, 2005
app pub date -
Feb 23, 2005
filing date -
Feb 26, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A recording medium and method and apparatus for reproducing and recording text subtitle streams are disclosed. A PlayList file contains a set of PlayItems and a SubPlayItem. Each PlayItem is configured to reproduce at least one main AV stream, and the SubPlayItem is configured to reproduce at least one text subtitle stream. The PlayList file further contains synchronization information which indicates a presentation start time of the SubPlayItem within a playing time interval of one of the set of PlayItems. The PlayList file, main AV stream, and text subtitle streams are recorded on a recording medium. Each text subtitle stream includes a plurality of dialog presentation segments, each of which includes at least one region of dialog text.
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