| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a television system having a multi-speaker in which an excellent viewing state is kept by erasing sounds on the side of a party at each viewing position not to mix mutual sounds. <P>SOLUTION: In the television system provided with at least two or more speakers composed of a front speaker located in front of a viewer and a rear speaker located at the back of the viewer and having a driving means for driving the speakers, the television system is provided with an active attenuator composed of an acoustic signal composing means for synthesizing an attenuation signal to become an inverse phase which reduces a sound pressure level of a sound outputted from the front speaker in the television system, and an output means for outputting the attenuation signal generated by the acoustic signal composing means in voice from the rear speaker to a position different from the viewing position of the viewer. <P>COPYRIGHT: (C)2004,JPO |
