Patent ID: 8019198
Filing Date: 2011-09-13
Classification: G11B

Abstract:
1. A recording and reproducing apparatus comprising: a first recording medium slot for receiving a first recording medium in which a first content is stored; a second recording medium slot for receiving a second recording medium; a receiving unit configured to receive a second content that is based on original data that is at least part of the first content; a data modifying unit configured, when the received second content is recorded in a second recording medium, to delete at least part of the original data stored in said first recording medium or rewrite said at least part of the original data into other data, so as to disable reproduction of the original data; an output unit configured to record reconstruction information in the second recording medium in association with the second content, the reconstruction information relating to the deleted or rewritten data; and a recovery unit configured, when the reconstruction information is received from the second recording medium, to recover the original data recorded in said first recording medium according to the reconstruction information so as to enable the reproduction of the original data, wherein: the first content is a content coded according to a coding method in which inter frame referencing is performed, and said data modifying unit is configured to (i) delete one of a reference image and header information of the reference image or (ii) rewrite said one of the reference image and the header information of the reference image into other data, the reference image being used when an image included in the original data is reproduced.