Broadcasting receiver, broadcasting transmitter, broadcasting system and control method thereof

摘要

A broadcasting receiver, broadcasting transmitter, broadcasting system and a control method are provided. The broadcasting receiver includes a broadcasting reception unit which receives caption data including information on an edge shape of a caption window and caption text to be displayed in the caption window, and a caption processor which processes the received caption data, determines the edge shape of the caption window corresponding to the caption data, and generates the caption window and the caption text according to the edge shape and the caption text. Accordingly, the edge shapes of the caption windows in which the caption text is displayed can be expressed in various forms.