Optical disc, optical disc recording apparatus, and optical disc recording method for facilitating dubbing, storage medium for storing optical disc recording program for facilitating dubbing, optical disc reproducing apparatus, and optical disc reproducing method

Abstract From the Canadian patent

A recordable optical disc stores one or more video objects. A video stream a first audio stream, and a second audio stream which is used for dubbing are multiplexed into each video object. Also an optical disc recording apparatus generates the second audio stream by an audio stream generating means and multiplexes the generated second audio stream into each video object together with the video object and the first audio stream by a multiplexing means. The generated video objects are recorded onto the recordable optical disc by a recording means. The optical disc in which such video objects are stored facilitates dubbing.