Provided herein are: a data acquiring unit which acquires a plurality of angle video data equal or less than the angle video data and relative display position information from a recording unit which records the plurality of angle video data corresponding to the plurality of angle videos taken at a plurality of taking angles different from one another in which a taken object is taken and records the relative display position information indicating a relative display position of each angle video in consideration of each taking angle; a video signal output unit which outputs a plurality of angle video signals corresponding to the plurality of angle videos to display units based on the plurality of angle video data; and an arrangement determining unit which determines a display position arrangement of the plurality of angle videos based on the relative display position information.