摘要 |
<P>PROBLEM TO BE SOLVED: To provide an audio device capable of realizing a sharp sound field. <P>SOLUTION: An audio device 1 comprises a speaker 2, a correction circuit 4 for correcting an acoustic signal from a sound source 3 in accordance with an electric signal from the speaker 2, a connection circuit 5 for connecting the speaker 2 and the correction circuit 4, and a control circuit 6 for controlling the correction circuit 4 and the connection circuit 5. The connection circuit 5 is comprised of a relay circuit and the like and is turned into output connection of connecting the speaker 2 and an output I/F 14 of the correction circuit 4 or input connection of connecting the speaker 2 and an input I/F 10 of the correction circuit 4 in accordance with various control signals from the control circuit 6. <P>COPYRIGHT: (C)2006,JPO&NCIPI |