Patent ID: 7079754

Claim:
An information recording medium configured to have data recorded thereon and data reproduced therefrom by an information recording/reproducing apparatus, said data including audio/video data and control information for managing said audio/video data, the information recording medium comprising: a data area configured to store said audio/video data; and a management area separate from said data area and configured to store said control information, wherein said control information includes program chain information having cell information corresponding to a cell, said cell information includes cell general information and pieces of cell entry point information respectively corresponding to cell entry points of said cell, said cell general information includes information of a type of said cell, information describing a number of said cell entry point information, information describing a presentation start time of said cell, and information describing a presentation end time of said cell, one piece of said cell entry point information includes type information of one of said cell entry points and information of a presentation time for one of said cell entry points, said one piece of cell entry point information is configured to include primary text information, and said type information indicates whether said one piece of cell entry point information includes said primary text information or not, said control information includes movie AV file information having movie video object information relating to said audio/video data, said movie video object information includes movie video object general information containing temporary erase information of said audio/video data, said audio/video data is configured to be set at a temporarily erased state, said temporarily erased state indicated by said temporary erase information, and said information recording/reproducing apparatus accesses the control information to reproduce the audio/video data.