| 摘要 |
PROBLEM TO BE SOLVED: To improve the quality of sound reverberation for each direction.SOLUTION: The present invention comprises a processing section 130, which suppresses, of characteristic signals contained in a first impulse response signal on the basis of signals acquired by an omnidirectional microphone, the characteristic signal not contained in a second impulse response signal on the basis of a signal acquired by the directional microphone placed in a predetermined distance range from a position of the omnidirectional microphone. |
