| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a speaker array device which can freely express object movement or the like and enables a listener to surely feel a change in sound regardless of a listening environment or the listener, a data structure that is read by the speaker array device, and an optical disk with the data structure recorded thereon. <P>SOLUTION: The speaker array device 1 emits sound that expresses object movement or the like as a sound beam on the basis of a sound signal input from a signal inputting part 51 and focal position information being control information, and further changes the focal position and the sound emitting direction of the sound beam to move the sound beam. Since the listener can be made to feel as if a sound source actually moves in this way, it is possible to provide a device that can emit sound having presence more than in the conventional manner. <P>COPYRIGHT: (C)2010,JPO&INPIT |
