Patent ID: 8712223

Claim:
An authoring method comprising: generating a first materialization file that does not include material data, and referencing a recording position of first material data associated with the first materialization file to mount a first real image having a stream data structure of a first file system, the first file system including time-division multiplexed material data; generating a second materialization file that does not include material data, and referencing a recording position of second material data associated with the second materialization file to mount a second real image having a stream data structure of a second file system, the second file system being different from the first file system that includes time-division multiplexed material data; generating a virtual clip file arranged under a structure of directories; and arranging the first materialization file and the second materialization file under the virtual clip file as a directory associated with a first virtual image to generate the first virtual image; wherein the virtual clip is generated without copying real material data, and the virtual clip includes an elementary stream (ES) reference table having: a packet base file, a packet information file, a seek list file, and an ES list file.