Patent ID: 6529681
Filing Date: 2003-03-04
Classification: G11B,H04N

Abstract:
An information recording medium comprising:first area for recording at least a video file or an audio file, wherein the video file or audio file includes an unrecorded area described by at least one extent, the video file or the audio file including at least an object which contains object units each including at least a begin pack and a plurality of video or audio packs, each video pack or audio pack having a predetermined size, the begin pack including information of a recording time of the object units; a second area for recording a management file containing video management information which includes at least program chain information including a plurality of cells which represent a presentation period of the object; and a third area for recording file management information including information of a file entry which specifies a location of the video file or the audio file which includes the unrecorded area.