{TAIL ~ A video display apparatus} 1 includes: decoders 101 and 103 for decoding two sets of video data; a synthesizer 105 for synthesizing the decoded videos to output; an input unit 108 for commanding display/{HEAD ~ non display} of the child frame; a processing controller 109 for controlling the operations of decoders 101 and 103 in accordance with the command; and a position designator 110 which receives the command and the data for display and time information and designates the displayed position of the child frame to the synthesizer 105 