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Image Number 10 for United States Patent #6456780.
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 device, and multiplexes the generated second audio stream into each video object together with the video object and the first audio stream by a multiplexor. The generated video objects are recorded onto the recordable optical disc by a recording device. The optical disc in which such video objects are stored facilitates dubbing.
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