PROBLEM TO BE SOLVED: To provide an electronic device capable of controlling a noise reduction function according to a driving state.SOLUTION: An electronic device with a noise reduction function includes: a microphone 100 which inputs an external sound signal in a vehicle; a DSP (Digital Signal Processor) 120 which generates a noise reduction signal to reduce noise of the external sound signal; determination means which determines a driving state of the vehicle; correction means which corrects the noise reduction signal so that a reduction degree of noise is relatively increased when the driving state is determined as automatic driving and the reduction degree of noise is relatively decreased when the driving state is determined as manual driving; and a speaker 130 which outputs the corrected noise reduction signal.SELECTED DRAWING: Figure 1
【課題】運転状態に応じてノイズ低減機能を制御することができる電子装置を提供する。【解決手段】ノイズ低減機能を備えた電子装置は、車内の外来音声信号を入力するマイクロフォン100と、外来音声信号のノイズを低減するためのノイズ低減信号を生成するDSP120と、車両の運転状態を判定する判定手段と、自動運転と判定された場合にはノイズの低減度合いを相対的に大きくし、マニュアル運転と判定された場合にはノイズの低減度合を相対的に小さくするようにノイズ低減信号を補正する補正手段と、補正されたノイズ低減信号を出力するスピーカ130とを有する。【選択図】図1
ELECTRONIC DEVICE, NOISE REDUCTION PROGRAM, AND NOISE REDUCTION METHOD
電子装置、ノイズ低減プログラムおよびノイズ低減方法
2017-07-20
Patent
Electronic Resource
Japanese
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