PROBLEM TO BE SOLVED: To determine state of sound environment of a cabin precisely and to notify that the state of sound environment exceeds a standard.SOLUTION: A cabin sound environment notification device comprises: a sound collection device 330 collecting sound in a cabin and outputting tone signal; an acquisition unit 322 acquiring speed of rotation of an engine 100 as operating quantity responding to operation of a user for the engine 100 as a carried source of noise release; a determination unit 323 determining whether indexes indicating the state of sound environment of the cabin exceeds a standard on the basis of the tone signal and the speed of rotation of the engine 100; and a notification device 321 noticing that the indexes indicating the state of sound environment exceeds the standard to the user on the basis of the determined result of the determination unit 323.SELECTED DRAWING: Figure 1
【課題】車室内の音環境の状態を正確に判定し、前記音環境の状態が基準を超えたことを通知する。【解決手段】車室内の音を集音し、音信号を出力する集音装置330と、車載された雑音発生源としてのエンジン100に対する利用者の操作に応じた動作量としてのエンジン100の回転数を取得する取得部322と、音信号とエンジン100の回転数とに基づいて車室内の音環境の状態を示す指標が基準を超えたか否かを判定する判定部323と、判定部323の判定結果に基づいて利用者に音環境の状態を示す指標が基準を超えたことを通知する通知装置321とを備える。【選択図】図1
CABIN SOUND ENVIRONMENT NOTIFICATION DEVICE AND CABIN SOUND ENVIRONMENT NOTIFICATION METHOD
車室内音環境通知装置および車室内音環境通知方法
2018-03-08
Patent
Elektronische Ressource
Japanisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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