| 摘要 |
<p>PCM audio data is recorded in the first cession P1, i.e. the first area, on the inner circumferential side of an optical disc Ma and living body information is recorded in the second cession P2, i.e. the second area, on the outer circumferential side. The living body information is that on a player, an actor, an audience, and the like. AV information and living body information are recorded on an optical disc while being synchronized in time. PCM audio data and the living body information from each cession are reproduced. Tempo, level, and the like, of a reproduced PCM audio signal are controlled by the living body information. A person listening to a controlled PCM audio signal can thereby feel live appeal.</p> |
