| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To cope with the coding system of various EMDs, to ensure reproduction compatibility by AOB, and to record audio data without spoiling the function of various copyright protection systems. <P>SOLUTION: A disk D has a data structure including an EMD elementary stream 23, where audio data are compressed by using an audio coding system; digital right information 22 of the audio data and EMD additional data 21; a DVD-AR audio object 13, where one of linear PCM audio data, where the elementary stream is extended, and a temporary elementary stream, where linear PCM audio data are further compressed, is changed into a packet; the digital right information of the audio data; digital right information 12 of the audio object generated based on the additional data; and reproduction management data 11. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
