Information storage medium of storing subtitle data and video mapping data information, reproducing apparatus and method thereof

PURPOSE: An information storing medium for storing caption data information and video mapping data information, a reproducing apparatus and a method therefor are provided to store caption and video data mapping information for describing a connection structure between a text caption and successive video data, store text caption data information including each caption information, and reproduce the caption data associated with the successive video data. CONSTITUTION: A reader(310) reads AV data, text caption data information, multi-language caption indication information or download font data indicated by caption and video data mapping information which are stored in an information storing medium. A decoder(330) decodes the AV data, and outputs a moving picture. A caption processor(350) processes a language selection file associated with caption data and mapping data for mapping caption data and video data, and renders a picture. A blender(360) blends caption data provided from the caption processor with the moving picture provided from the decoder, and displays the blended picture on a display device.