| 摘要 |
Data is recorded in a data area of a disk in a hierarchical structure of program chains, programs, cells and packs, each pack is constructed by a pack header for identifying the pack and a packet having a data stream recorded therein, the packet has a packet header having a stream ID indicating at least a private stream and a sub-stream ID indicating the classification of the private stream described therein, and the classification indicates packet data of Dolby AC3 audio data, packet data of linear audio data, packet data of sub-picture data, or packet data of computer data.
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