Patent ID: 8184955
Filing Date: 2012-05-22
Classification: G11B

Abstract:
1. An information recording apparatus, comprising: a storage portion configured to store information that is copy-protected; a recording portion configured to record, on a recording medium, the information stored in the storage portion; a first information extraction portion configured to extract, from the information stored in the storage portion, first information that indicates a feature of the information; a second information extraction portion configured to extract, from the information recorded on the recording medium, second information that indicates a feature of the information; a judgment portion configured to compare the first information and the second information as to whether the first information and the second information match each other, and judge whether the information recorded on the recording medium is capable of being reproduced based on a comparison; and a deletion portion configured to delete the information stored in the storage portion when the judgment portion judges that the information recorded on the recording medium is capable of being reproduced, wherein the first information includes first audio information and first image information, the first audio information including information on exciting time points arranged in a chronological order, the first image information including information on scene-changing time points arranged in a chronological order, and wherein the second information includes second audio information and second image information, the second audio information including information on exciting time points at the exciting time points, the second image information including information on scene-changing time points at the scene-changing time points.