摘要 |
PROBLEM TO BE SOLVED: To simplify a playback operation by a user, to improve user- friendliness, and to simplify real time management in the case of recording mainly audio signals. SOLUTION: The audio disk has an SAMG(simple audio manager), an AMG, audio title sets(ATSs) containing a plurality of audio objects(AOBs), and still picture sets(SPSs). The AOB is composed of two kinds of AOTT-AOBs, namely an object containing only audio data, and an object containing audio data and real time information data (RTI data). The still picture set(SPS) contains still picture data (SPCT data). |