| 摘要 |
PROBLEM TO BE SOLVED: To record audio data conforming to various EMD coding systems and guaranteeing playback interchangeability by AOB without adversely affecting the functions of various copyright protection systems. SOLUTION: An audio disk D is to be recorded and to be played back. The audio disk D has a data structure including an EMD elementary stream 23 in which audio data are compressed using an audio coding system, digital right information 22 of the audio data, EMD additional data 21, DVD-AR audio objects 13 resulting from packeting one of the linear PCM audio data of an expanded elementary stream and a temporary elementary stream of a compressed linear PCM audio data and digital right information 12 related to the audio objects and generated based on the digital right information related to the audio data and the additional data and playback control data 11. COPYRIGHT: (C)2005,JPO&NCIPI
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