Information recording device and a method of recording information by setting the recording area based on contiguous data area

An information recording method for recording information on an information storage medium, the information storage medium comprising:

• a lead-in area,
• a data area, and
• a lead-out area, wherein,
• the information storage medium is configured to store control information,
• an AV file and file management information for managing at least the AV file and for including file entry information in the data area,
• AV data is stored in the AV file, the file management information manages a position of the AV file, the file entry information includes a file type of the AV file and an allocation descriptor indicating a position of an extent,
• an application layer sets an information processing method with respect to the AV file,
• the application layer uses an AV address as address information,
• a file system layer uses a logical block number and a logical sector number as address information, a disk drive layer or a physical layer uses a physical sector number as address information, the logical block number and the logical sector number are associated with each other, the logical sector number and the physical sector number are associated with each other,
• the AV data in the AV file is distributed physically in each of a plurality of extents,
• the distributed AV data is managed using the AV address in a contiguous order, a start address of the AV file is set as “0”, and
• the control information manages a video object including the AV data by using the AV address, and the control information includes a plurality of program chain information which control a reproducing order of the video object,
• the information recording method comprising:
• recording or rewriting the AV data in the AV file;
• and
• recording or rewriting the control information.

An information reproducing method for reproducing information on an information storage medium, the information storage medium comprising:

• a lead-in area,
• a data area, and
• a lead-out area, wherein,
• the information storage medium is configured to store control information,
• an AV file and file management information for managing at least the AV file and for including file entry information in the data area,
• AV data is stored in the AV file, the file management information manages a position of the AV file, the file entry information includes a file type of the AV file and an allocation descriptor indicating a position of an extent,
• an application layer sets an information processing method with respect to the AV file,
• the application layer uses an AV address as address information,
• a file system layer uses a logical block number and a logical sector number as address information, a disk drive layer or a physical layer uses a physical sector number as address information, the logical block number and the logical sector number are associated with each other, the logical sector number and the physical sector number are associated with each other,
• the AV data in the AV file is distributed physically in each of a plurality of extents,
• the distributed AV data is managed using the AV address in a contiguous order, a start address of the AV file is set as “0”,
• the control information manages a video object including the AV data by using the AV address, and the control information includes a plurality of program chain information which control a reproducing order of the video object, and
• the plurality of program chain information include a plurality of cell information defined by a plurality of cells, each of the cells represents a playback period of the video object, and different cells belonging to different program chains, respectively, partially refer to the portion of the video object representing the playback period,
• the information reproducing method comprising:
• reproducing the control information and the AV data;
• and
• decoding the AV data.

An information reproducing apparatus for reproducing information on an information storage medium, the information storage medium comprising:

• a lead-in area,
• a data area, and
• a lead-out area, wherein,
• the information storage medium is configured to store control information,
• an AV file and file management information for managing at least the AV file and for including file entry information in the data area,
• AV data is stored in the AV file, the file management information manages a position of the AV file, the file entry information includes a file type of the AV file and an allocation descriptor indicating a position of an extent,
• an application layer sets an information processing method with respect to the AV file,
• the application layer uses an AV address as address information,
• a file system layer uses a logical block number and a logical sector number as address information, a disk drive layer or a physical layer uses a physical sector number as address information, the logical block number and the logical sector number are associated with each other, the logical sector number and the physical sector number are associated with each other,
• the AV data in the AV file is distributed physically in each of a plurality of extents,
• the distributed AV data is managed using the AV address in a contiguous order, a start address of the AV file is set as “0”,
• the control information manages a video object including the AV data by using the AV address, and the control information includes a plurality of program chain information which control a reproducing order of the video object, and
• the plurality of program chain information include a plurality of cell information defined by a plurality of cells, each of the cells represents a play back period of the video object, and different cells belonging different program chains, respectively, partially refer to the portion of the video object representing the playback period,
• the information reproducing apparatus comprising:
• a reproducer for reproducing the control information and AV data;
• and
• a decoder for decoding the AV data in the AV file.