Patent ID: 7369477
Filing Date: 2008-05-06
Classification: G11B,H04N

Abstract:
1. An information recording medium comprising a stream data recording region, the medium being configured to record a stream object in the stream data recording region, the stream object comprising stream information including images or sound, wherein the stream data recording region includes a stream data management information recording region and a stream object group recording region, stream object management information for managing the stream object and program chain information indicating an order in which the stream object is reproduced are recorded in the stream data management information recording region, the stream object management information includes information indicating a start access unit address of the stream object and information indicating a start time and an end time of the stream object, the information indicating the start time and the end time of the stream object being expressed by one of a reproduction time of the stream object and a packet arrival time of the stream object, the program chain information includes cells indicating an order in which the stream object is reproduced, the stream object is recorded in the stream object group recording region, the stream object comprises a plurality of units, and the plurality of units comprises a plurality of packets, and information indicating a number of packets included in the units is recorded in an access unit management information recording region of the unit.