Patent ID: 6892023

Claim:
An information recording medium comprising: a video file or an audio file, which includes an information object including object units; and management information in a management file, for controlling the information object in the video file or the audio file, the management information including, (i) audio/video file information including object information and an object search pointer which indicates an object search pointer number corresponding to a number of the object information, the object information including time map information including information of each of the object units, the information of each of the object units including data size information of each of the object units, (ii) cell information representing cells and referring to the time map information, the cell information including a cell type information indicating a cell type, and including the object search pointer number, (iii) original program chain information designating a fixed reproduction order of the cells while keeping an original reproduction order of the object units unchanged, and (iv) recorded new program chain information as user-defined program chain information in the management file, the new program chain information designating a reproduction order of the cells, which is different from a fixed reproduction order designated by the original program chain information.