Patent ID: 7009658

Claim:
An apparatus for displaying video data in a digital television system, the apparatus comprising: a digital signal detector for detecting digital image signals corresponding to a channel selected by a viewer; a microprocessor for generating a control signal in order to display said detected digital image signals depending on a channel number of said selected channel, a total number of video IDs, and whether a multi-angle mode is set; a demultiplexer for dividing said detected digital image signals into video, audio, and supplemental information streams based on said control signal; an image processor for processing said video stream based on said control signal in order to generate displayable image signals, the displayable image signals including information to display video data based on whether the multi-angle mode is set when the total number of video IDs is larger than one, and the displayable image signals including information to display video data when the total number of video IDs is equal to one.