Patent ID: 8736698

Claim:
A video synthesizing apparatus which synthesizes a first video and a second video, wherein a displayable period of the second video is designated within a playback time of the first video, and a playback of only the second video is started at an arbitrary point of time within the displayable period, is ended when the second video is completed or a playback time of the second video is past the displayable period; and is switchable between display and non-display at an arbitrary point of time during playing, comprising: a designating means which receives metadata including: time information representing a dedicated second playback time in the second video differing from a first playback time in the first video; and displayed area information representing a displayed position where the second video is displayed over top of the first video at the second playback time, and designates a displayed position within the first video where the second video is displayed at an arbitrary point of time, based on the metadata, wherein the metadata manages the second playback time at which a displayed area of the second video is changed to the different position in the first video, a synthesizing means which synthesizes the second video over the displayed position in the first video, designated by the designating means.