Patent ID: 8504591

Claim:
A data generating device comprising: circuitry configured to: code a plurality of kinds of data, each kind of data corresponding to an individual track of audio/video (A/V) content, and generating coded data; generate a plurality of pieces of group information and metadata corresponding to each of the plurality of pieces of group information, each piece of group information identifying a combination of the individual tracks of the A/V content; and generate a coded data storage file including said coded data of the plurality of kinds of said data and the plurality of pieces of said group information, wherein the individual tracks of the A/V content include at least a main image track, a secondary image track, a first audio track and a second audio track, and the circuitry is configured to generate a first piece of group information identifying a combination of at least the main image track and the first audio track, and generate a second piece of group information identifying a combination of the main image track, the secondary image track and the second audio track.