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Recording medium, method, and apparatus for reproducing text subtitle streams

  • US 7,512,322 B2
  • Filed: 03/03/2005
  • Issued: 03/31/2009
  • Est. Priority Date: 03/17/2004
  • Status: Expired due to Fees
First Claim
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1. A recording medium, comprising:

  • a PlayList containing one or more PlayItems and at least one SubPlayItem, each PlayItem being configured to reproduce at least one main AV stream, the SubPlayItem being configured to reproduce a text subtitle stream, the SubPlayItem containing synchronization information which indicates a presentation start time of the SubPlayItem on a global time axis of the PlayList, the at least one main AV stream and the text subtitle stream including one or more presentation segments configured such that if the PlayList is randomly accessed at a random access time on the global time axis of the PlayList, one of the presentation segments with a start time directly after a corresponding random access time on a time axis of the text subtitle stream is presented.

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