To provide a noise masking device etc. capable of effectively masking noise at the timing of generation of noise in a predetermined frequency range.SOLUTION: The noise masking device includes: an acquisition unit 11 for acquiring frequency information indicating the frequency of noise in the vehicle 50 and vehicle information related to the characteristics of the noise; a signal source 12 which generates a masker signal for outputting a masker sound for masking the noise in the vehicle 50; a pitch shift unit 15 which generates a pitch shift masker signal by shifting pitch of the masker signal according to frequency information acquired by the acquisition unit 11; an adjustment unit 17 which generates an adjusted masker signal by adjusting the pitch shift masker signal according to the vehicle information acquired by the acquisition unit 11; and an output unit 18 which outputs the adjusted masker signal as the masker sound.SELECTED DRAWING: Figure 2

    【課題】所定の周波数帯の騒音が発生するタイミングで効果的に騒音をマスクすることができる騒音マスキング装置等を提供する。【解決手段】車両50内の騒音の周波数を示す周波数情報と、騒音の特性に関連する車両情報とを取得する取得部11と、車両50内における騒音をマスクするマスカー音を出力するためのマスカー信号を生成する信号源12と、取得部11が取得した周波数情報に応じてマスカー信号をピッチシフトしてピッチシフトマスカー信号を生成するピッチシフト部15と、ピッチシフトマスカー信号に、取得部11が取得した車両情報に応じた調整を行い、調整マスカー信号を生成する調整部17と、調整マスカー信号をマスカー音として出力する出力部18とを備える。【選択図】図2


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    Title :

    NOISE MASKING DEVICE, VEHICLE, AND, NOISE MASKING METHOD


    Additional title:

    騒音マスキング装置、車両、及び、騒音マスキング方法


    Contributors:

    Publication date :

    2019-06-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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