Patent ID: 7477830

Claim:
A recording apparatus, comprising: file production means for producing a file having a hierarchical structure, wherein the file comprises actual data and reference data, wherein the actual data comprises video data and audio data, both in the form of compressed data, wherein the reference data is used for a reproduction operation of the actual data, wherein the reference data has a hierarchical structure and has data used for a calculation in a reproduction operation in a predetermined layer in said hierarchical structure of said reference data corresponding to said compressed video data and said compressed audio data, respectively; data reproduction means for producing reproduction condition data in a predetermined structure which includes a condition for the reproduction operation based on said data used for a calculation of a condition of being demanded for reproduction operation in said reference data, wherein the reproduction condition data is disposed in a top layer of said hierarchical structure of said file; and recording means for recording the file produced by said file production means on a predetermined recording medium.