Disclosed is an image signal generating apparatus that includes a video information obtaining unit that obtains a plurality of video information, a characteristic information obtaining unit that obtains a plurality of predetermined characteristic information from each of the plurality of video information obtained by the video information obtaining unit, and a sorting unit that changes an order of displaying the plurality of the video information based on each of the plurality of characteristic information obtained from the characteristic information obtaining unit. The image signal generating apparatus further includes a display image signal generating unit that generates a video signal to display the plurality of video information based on information obtained, as a result of changing the order of displaying the plurality of the video information, from the sorting unit.