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Information recording medium having secret area, information recording apparatus capable of recording information in secret area, and information playback apparatus capable of playing back information from secret area
Information recording medium having secret area, information recording apparatus capable of recording information in secret area, and information playback apparatus capable of playing back information from secret area
An information recording medium includes a user area defined by a logical address and a physical address, a secret area defined only by a physical address, and an address area which stores the physical address that indicates the position of the secret area.
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