Patent ID: 8233779
Filing Date: 2012-07-31
Classification: G11B,H04N

Abstract:
1. A non-transitory recording medium used for storing a digital stream which is readable by a computer to reproduce a video stream and a graphics stream which are multiplexed in the digital stream, the non-transitory recording medium comprising: the digital stream generated by multiplexing the video stream and the graphics stream, wherein: the graphics stream includes a plurality of display sets each of which is used for a graphics display; the display set includes a PCS (Presentation Composition Segment), an ODS (Object Definition Segment) for defining a graphics object, and an END segment; the PCS has time information, the time information designating an active period of the PCS in the display set on a reproduction time axis of the video stream; each segment is contained in a packet; the time information includes a decoding time stamp and a presentation time stamp which are written in a packet; the display set includes a sequence of ODSs including a referenced ODS which is referenced by the PCS in the display set and a non-referenced ODS which is not referenced by the PCS in the display set; the referenced ODS and the non-referenced ODS are arranged in the display set; the sequence of the referenced ODS and the non-referenced ODS are to be sequentially decoded in an order of the arrangement; and the END segment immediately follows a last ODS of the sequence of the referenced ODS and the non-referenced ODS in the display set.