Patent ID: 7373075
Filing Date: 2008-05-13
Classification: G11B,H04N

Abstract:
1. An information medium having stored thereon stream data of MPEG-TS in accordance with a hierarchical data structure, comprising: a data area configured to store a stream object corresponding to the stream data, the stream object including one or more stream data units, and the one or more stream data units including one or more pairs of a time-stamp and a transport stream packet; and a management area, located at an area other than said data area, configured to store management information of the stream object, wherein, said management information, which is configured to control when the stream object is to be displayed or reproduced, includes an area configured to store first copy management information of the stream object, the at least one stream data unit stores a second data unit including information of the one or more pairs of said time-stamp and said transport stream packet, said second data unit, stored in at least one of the stream data units, includes a header containing time-related information with respect to the transport stream packet, said second data unit, stored in the at least one stream data unit, includes second copy management information indicating a copyright state of the information of the transport stream packet, a copyright information of the stream object is configured to be managed by said first and second copy management information, and said management area includes information indicating presentation timestamp information items and a corresponding point in the stream data, wherein recording locations of the presentation timestamp information items are configured to be different from those of the transport packets included in said stream blocks.