| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a noise controller for sufficiently demonstrating a noise reduction effect without increasing input/output delay in a control part even when performing processing in one arithmetic processing circuit. <P>SOLUTION: The noise controller according to this invention includes: sound output means which is provided corresponding to each of a plurality of spaces, and outputs sound to the space; a plurality of first noise detection means which are provided corresponding to the respective spaces, and detect noise arriving at the space; first signal generation means which is provided corresponding to one of the first noise detection means, generates a first cancel signal having a frequency equal to or lower than a prescribed frequency on the basis of the noise detected by the first noise detection means, and outputs it to the sound output means; and second signal generation means which is provided corresponding to each of the first noise detection means, generates a second cancel signal having a frequency higher than the prescribed frequency on the basis of the noise detected by the first noise detection means, and outputs it to the sound output means provided in the same space as the first noise detection means. <P>COPYRIGHT: (C)2013,JPO&INPIT |
