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Information record medium, and apparatus for and method of reproducing the sameRelated Patent Categories: Television Signal Processing For Dynamic Recording Or Reproducing, Processing Of Television Signal For Dynamic Recording Or Reproducing, Having Another SignalInformation record medium, and apparatus for and method of reproducing the same description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070116434, Information record medium, and apparatus for and method of reproducing the same. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an information record medium, and more particularly relates to a reproduction of audio information from a video DVD. [0003] 2. Description of the Related Art [0004] There is a video DVD (i.e., a disc based on a DVD-Video standard) as a record medium for recording video information such as a movie since it has a large memory capacity. [0005] On the other hand, there is an audio DVD (i.e., a disc based on a DVD-audio standard) as a record medium for not recording the video information such as a movie but recording audio information such as music. It is possible to record onto just one audio DVD the audio information corresponding to a plurality of CDs (Compact Discs) since it has a large memory capacity as a DVD. Further, it is also possible to record the audio information corresponding to a music CD of a soundtrack version of a movie in addition to the video information such as a movie. [0006] The above mentioned video DVD is reproduced by a video DVD player (i.e., a player for outputting video and audio), while the above mentioned audio DVD is reproduced by an audio DVD player (i.e., a player for outputting just audio). However, a conventional video DVD player cannot reproduce a disc recorded by the audio DVD format, while the audio DVD player cannot reproduce a conventional video DVD recorded by the video DVD format. [0007] In case that only the audio information out of the record information is to be reproduced from the video DVD, which has been recorded with a primary purpose of reproducing the video information (e.g., in case that only the audio information is to be reproduced from the video disc on which a live performance of a certain singer has been recorded), or in case that the video DVD is to be reproduced by use of the audio DVD compatible player, a simple reproduction of the recorded audio information may be inadequate. Therefore, in case that only the audio information is to be reproduced from the video DVD, it is necessary to perform a reproduction control which is different from that for a normal video DVD. SUMMARY OF THE INVENTION [0008] It is therefore an object of the present invention to provide an information record medium, on which video information is recorded such as a video DVD and which allows an audio DVD compatible player to reproduce only the audio information therefrom without discrepancy, and an apparatus for and a method of appropriately reproducing only the audio information from the video DVD. [0009] The above object of the present invention can be achieved by an information record medium provided with: substantial information including video information and audio information which are related to each other; first reproduction control information to simultaneously reproduce the video information and the audio information out of the substantial information; and second reproduction control information to reproduce only the audio information out of the substantial information. [0010] According to the information record medium of the present invention, a reproducing apparatus, which is capable of reproducing both of the video information and the audio information, reproduces both of them on the basis of the first reproduction control information. On the other hand, a reproducing apparatus, which is capable of only reproducing the audio information, reproduces only the audio information on the basis of the second reproduction control information. Therefore, in accordance with the capability of the reproducing apparatus, it is possible to reproduce the same information record medium. [0011] In one aspect of the information record medium, the first reproduction control information and the second reproduction control information prescribe a reproduction of a same portion of the substantial information. [0012] According to this aspect, it is possible to reproduce the same portion of the substantial information by two different ways. [0013] In another aspect of the information record medium, the first reproduction control information divides the substantial information into a plurality of first information units and prescribes a reproduction control of the first information units, and the second reproduction control information divides the substantial information into a plurality of second information units, which are different from the first information units, and prescribes a reproduction control of the second information units. [0014] According to this aspect, it is possible to prescribe the reproduction control information on the basis of the different information units in correspondence with the content of the video information and the audio information included in the substantial information, so that it is possible to reproduce the same substantial information in various manners. [0015] In another aspect of the information record medium, the second reproduction control information prescribes a reproduction of the substantial information in a reproduction order, which is different from that of the first reproduction control information, with respect to a same portion of the substantial information. [0016] According to this aspect, it is possible to prescribe the reproduction control information in different orders in correspondence with the content of the video information and the audio information included in the substantial information, so that it is possible to reproduce the same substantial information in various manners. [0017] In another aspect of the information record medium, the information record medium is further provided with another substantial information including only audio information. [0018] According to this aspect, it is possible to reproduce the audio information from both of the substantial information including the video information and the substantial information only including the audio information. [0019] The above object of the present invention can be also achieved by a first information reproducing apparatus for reproducing the above described information record medium of the present invention. The first information reproducing apparatus is provided with: a reading device for reading the substantial information, the first reproduction control information and the second reproduction control information from the information record medium; and a reproducing device for reproducing the substantial information in accordance with the first reproduction control information when a reproduction of the video information and the audio information is instructed, and reproducing the substantial information in accordance with the second reproduction control information when a reproduction of only the audio information is instructed. [0020] The above object of the present invention can be also achieved by a second information reproducing apparatus for reproducing the above described information record medium of the present invention. The second information reproducing apparatus is provided with: a reading device for reading the substantial information and the first reproduction control information from the information record medium; and a reproducing device for reproducing the substantial information in accordance with the first reproduction control information when a reproduction of the video information and the audio information is instructed. [0021] The above object of the present invention can be also achieved by a third information reproducing apparatus for reproducing the above described information record medium of the present invention. The third information reproducing apparatus is provided with: a reading device for reading the substantial information and the second reproduction control information from the information record medium; and a reproducing device for reproducing the substantial information in accordance with the second reproduction control information when a reproduction of only the audio information is instructed. [0022] The above object of the present invention can be also achieved by a first information reproducing method for reproducing the above described information record medium of the present invention. The first information reproducing method is provided with: a reading process for reading the substantial information, the first reproduction control information and the second reproduction control information from the information record medium; and a reproducing process for reproducing the substantial information in accordance with the first reproduction control information when a reproduction of the video information and the audio information is instructed, and reproducing the substantial information in accordance with the second reproduction control information when a reproduction of only the audio information is instructed. Continue reading about Information record medium, and apparatus for and method of reproducing the same... Full patent description for Information record medium, and apparatus for and method of reproducing the same Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Information record medium, and apparatus for and method of reproducing the same patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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