PROBLEM TO BE SOLVED: To provide a noise reduction device capable of effectively reducing noises at a hearing position even when a hearing position and a pick-up position are different from each other.SOLUTION: A noise reduction device 10 includes a second correction part 17 that generates a correction signal by correcting an output signal or reference signal using a predetermined parameter and generates a corrected error signal close to an error signal which represents a residual sound generated at a hearing position 30 by adding the generated correction signal to the error signal.SELECTED DRAWING: Figure 7
【課題】受聴位置と集音位置とが異なる場合であっても、受聴位置における騒音を効果的に低減することができる騒音低減装置を提供する。【解決手段】騒音低減装置10は、出力信号または基準信号を所定のパラメータで補正することによって補正用信号を生成し、生成された補正用信号を誤差信号に加算することにより、誤差信号を受聴位置30において生じる残留音を示す誤差信号に近づけた補正後誤差信号を生成する第2補正部17を備える。【選択図】図7
NOISE REDUCTION DEVICE, MOVING BODY UNIT, AND NOISE REDUCTION METHOD
騒音低減装置、移動体装置、及び、騒音低減方法
2018-01-11
Patent
Electronic Resource
Japanese
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