PROBLEM TO BE SOLVED: To provide a noise masking device capable of effectively masking noise in a prescribed position in a vehicle.SOLUTION: A noise masking device 10 comprises: an acquisition section 11 for acquiring frequency information showing a frequency of noise; a signal source 12 for generating a masker signal for outputting a masker sound to mask noise; a pitch shift section 17 for pitch-shifting the masker signal in accordance with the acquired frequency information; a first correction section 18a for correcting the masker signal after pitch is shifted in accordance with a prescribed position; and an output section 19 for outputting the corrected masker signal.SELECTED DRAWING: Figure 2

    【課題】車両内の所定位置において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を提供する。【解決手段】騒音マスキング装置10は、騒音の周波数を示す周波数情報を取得する取得部11と、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、取得された周波数情報に応じてマスカー信号をピッチシフトするピッチシフト部17と、ピッチシフト後のマスカー信号に、所定位置に応じた補正を行う第1補正部18aと、補正後の前記マスカー信号を出力する出力部19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 :

    2018-06-21


    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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