Patent ID: 8595759

Claim:
A method for reproducing at least one title audio/video data stream from an information storage medium using a reproducing apparatus, the method comprising: reading index information from the information storage medium, using the reproducing apparatus, the index information comprising: startup information designating a title audio/video data stream, the title audio/video data stream designated by the startup information being a title audio/video data stream that is played back automatically by the reproducing apparatus when the information store medium is loaded into the reproducing apparatus; and title information corresponding to each of a plurality of title audio/video data streams recorded separately from the index information, the title information comprising attribute information corresponding to each of the plurality of title audio/video data streams; reproducing a first title audio/video data stream based on the index information; receiving a title search user operation instructing to reproduce a second title audio/video data stream, during reproducing the first title audio/video stream, the title search user operation comprises a title number corresponding to the second title audio/video data stream; identifying attribute information corresponding to the second title audio/video data stream corresponding to the title number, the attribute information being included in the title information; wherein when the attribute information is a first value, the second title audio/video data stream is reproduced and the title number of the second title audio/video data stream is displayed on a display device; when the attribute information is a second value, the second title audio/video data stream is not reproduced and the title number of the second title audio/video data stream is displayed on the display device; and when the attribute information is a third value, the second title audio/video data stream is not reproduced and the title number of the second title audio/video data stream is not displayed on the display device.