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

  • US 7,558,467 B2
  • Filed: 02/23/2005
  • Issued: 07/07/2009
  • Est. Priority Date: 02/26/2004
  • Status: Expired due to Fees
First Claim
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1. A computer readable medium storing a data structure for reproducing text subtitle streams, the computer readable medium comprising:

  • a first data area storing at least one PlayList file, each PlayList file containing a set of PlayItems and at least one SubPlayItem, each PlayItem being configured to reproduce at least one main AV stream, each SubPlayItem including a multi-clip-entries field indicating whether a multi-clip-entries structure is present or not present, the SubPlayItem being configured to reproduce at least one text subtitle stream, each PlayList file further containing synchronization information which includes a field indicating a presentation start time of the SubPlayItem within a playing time interval of one of the set of PlayItems; and

    a second data area storing the at least one main AV stream and the at least one text subtitle stream.

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