10. An apparatus for reproducing text subtitle data from a recording medium, comprising: a pickup configured to reproduce data recorded on the recording medium; and a controller configured to control the pickup to reproduce a plurality of subtitle information segments from the recording medium, each one of the subtitle information segments being represented by a single PES packet of transport packets which includes a packet identifier for identifying a type of the packet, wherein each one of the subtitle information segments includes a segment identifier identifying the subtitle information segment as one of text data and graphic data, wherein one of the subtitle information segments identified as the text data includes at most two text subtitle regions, and each text subtitle region is linked to at least one style information defined in another one of the subtitle information segments identified as the text data using an identifier, wherein the other one of the subtitle information segments identified as the graphic data is multiplexed with the main AV data into a file.
11. The apparatus of claim 10 , wherein the controller is configured to further control the pickup to reproduce a first subtitle information segment among the plurality of subtitle information segments identified as the text data including a palette identifier identifying palette information for controlling color attributes of the subtitle data.