1. A method of reproducing text subtitle streams, the method comprising: receiving at least one text subtitle stream from an external source, each text subtitle stream including text data to be displayed within a region of a display screen, first information specifying a global style of the region, and second information specifying a local style for a portion of the text data; reading a playlist including at least one playitem and first and second subplayitems, the playitem specifying a time based playing interval from an in-time until an out-time associated with at least one audio/video stream, the first subplayitem specifying a time based playing interval from an in-time until an out-time associated with the at least one text subtitle stream, the first subplayitem for a reproducing of the text subtitle stream being synchronized with the playitem, the second subplayitem for a reproduction of browsable slideshow being not synchronized with the playitem; and decoding the text subtitle stream using the first information and the second information.
1. A method of reproducing text subtitle streams, the method comprising: receiving at least one text subtitle stream from an external source, each text subtitle stream including text data to be displayed within a region of a display screen, first information specifying a global style of the region, and second information specifying a local style for a portion of the text data; reading a playlist including at least one playitem and first and second subplayitems, the playitem specifying a time based playing interval from an in-time until an out-time associated with at least one audio/video stream, the first subplayitem specifying a time based playing interval from an in-time until an out-time associated with the at least one text subtitle stream, the first subplayitem for a reproducing of the text subtitle stream being synchronized with the playitem, the second subplayitem for a reproduction of browsable slideshow being not synchronized with the playitem; and decoding the text subtitle stream using the first information and the second information. 5. The method of claim 1 , wherein the portion of the text data comprises a text string.