Method and apparatus of reproducing data recorded on recording medium and local storage
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United States of America Patent
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May 25, 2010
Issued Date -
N/A
app pub date -
Aug 17, 2005
filing date -
Aug 17, 2004
priority date (Note) -
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Abstract
An apparatus for reproducing data recorded on a recording medium includes a pick-up unit, a local storage, and a decoder. The pick-up unit reads main data recorded on the recording medium, and the local storage stores sub data associated with the main data. The sub data may include interactive graphic streams or text subtitle streams. The decoder decodes the main data and the sub data using a PlayList which includes a main path and a sub path. The main path contains a PlayItem for play-back of the main data, and the sub path contains at least one SubPlayItem associated with the PlayItem for play-back of the sub data in association with the play-back of the main data. The PlayList file further includes sub path type information which indicates whether the SubPlayItem included in the sub path is synchronized with the PlayItem.
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