Noise reduction device and noise reduction system
作者： Toshihiro Ezaki , Masaaki Higashida , Yoshifumi Asao , Tsuyoshi Maeda , Hiroyuki Kano
DOI:
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摘要: It includes a microphone for detecting noise emitted from source, controller generating control sound signal to reduce detected by the based on information microphone, and speaker outputting controller, wherein plurality of microphones speakers are arranged each seat, in higher density seat specific direction.
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