Recording medium storing a text subtitle stream, method and apparatus for a text subtitle stream to display a text subtitle

摘要

The method includes receiving a text subtitle stream from an external source. Text subtitle streams include a style segment defining a group of region styles and a plurality of presentation segments, where presentation segments have a region of text being linked to a selected region style. The style segment defining palette information, and the presentation segments having a palette update flag which indicates whether to use the palette information defined in the style segment or use new palette information when reproducing each presentation segment. The text subtitle stream is decoded using the style segment defining a group of region styles, where the presentation segments include the palette update flag.