PROBLEM TO BE SOLVED: To provide an active noise reduction device using plural reference signals capable of reducing the number of applied filters.SOLUTION: An active noise reduction device 10 has a reference signal generation part 14 which includes: plural filters 140 and 141 which are applied to input plural reference signals respectively; and an addition part 149 that generates a composite reference signal by adding plural reference signals to which plural filters 140 and 141 are applied respectively.SELECTED DRAWING: Figure 2
【課題】複数の参照信号を用いる能動騒音低減装置であって、適応フィルタの数を低減することができる能動騒音低減装置を提供する。【解決手段】能動騒音低減装置10が備える合成参照信号生成部14は、入力された複数の参照信号に一つずつ適用される、複数のフィルタ140、141と、複数のフィルタ140、141が一つずつ適用された複数の参照信号を加算することにより合成参照信号を生成する加算部149とを有する。【選択図】図2
ACTIVE NOISE REDUCTION DEVICE, MOBILE DEVICE, AND ACTIVE NOISE REDUCTION METHOD
能動騒音低減装置、移動体装置、及び、能動騒音低減方法
2018-03-22
Patent
Elektronische Ressource
Japanisch
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