Patent ID: 8467529
Filing Date: 2013-06-18
Classification: H04N

Abstract:
1. A reproduction apparatus, comprising at least one of a hardware processor and circuitry configured to effect: a data acquirer configured to acquire from a recording medium: encrypted motion data; special reproduction data useable for effecting a predetermined special reproduction regarding the motion data; and, correlation data providing a correlation between points of the motion data and points of the special reproduction data, respectively, wherein the special reproduction data is recorded separately from the motion data; a key information acquirer configured to acquire, from the recording medium, motion data key information corresponding to the motion data; a decoding processor device that decodes the encrypted motion data using the motion data key information; a reproducer that converts, for output, the motion data being a decoding result, into a video signal and an audio signal; and an operation inputter that accepts a user operation, wherein with a reproduction time set with an upper limit of a predetermined value for the motion data that can be decoded using a piece of the motion data key information, for special reproduction in changing a reproduction mode between a normal reproduction mode and a special reproduction mode,