PROBLEM TO BE SOLVED: To provide a vehicle sound evaluation device capable of predicting and evaluating comfort and discomfort which are applied to a driver of a vehicle, a passenger of the vehicle and a peripheral environment of the vehicle by an engine sound, an air conditioner sound and various kinds of sounds generated by various kinds of components which can be heard at outside of a cabin of a vehicle such as a motor vehicle.SOLUTION: A vehicle sound evaluation device comprises: an acoustic sensor for collecting acoustic signals which are output in a cabin and outside of the cabin of a vehicle such as a motor vehicle; an acoustic signal analysis part for analyzing the acoustic signal; and a vehicle sound evaluation part for evaluating comfort of a person to the acoustic signal based on an analysis result of the acoustic signal analysis part. The acoustic signal analysis part has a function for calculating an acoustic nerve excitement pattern from an acoustic sense filter shape of a non-impaired person, and the vehicle sound evaluation part has a function for determining comfort of the acoustic signal based on the acoustic nerve excitement pattern.SELECTED DRAWING: Figure 1
【課題】 自動車等の車両の車室内外で聞こえるエンジン音、空調機音等や各種部品が発する様々な音が、当該車両の運転者、同乗者および当該車両の周辺環境等に及ぼす快適性および不快感等を予測評価する車両音評価装置を提供する。【解決手段】 自動車等の車両の車室内外で発せられる音響信号を集音する音響センサと、前記音響信号を分析する音響信号分析部と、前記音響信号分析部の分析結果に基づいて前記音響信号に対する人間の快適性を評価する車両音評価部から成る車両音評価装置であって、前記音響信号分析部は健聴者の聴覚フィルタ形状から聴神経興奮パターンを算出する機能を有し、前記車両音評価部は前記聴神経興奮パターンに基づいて前記音響信号の快適性を判定する機能を有する。【選択図】 図1
VEHICLE SOUND EVALUATION DEVICE
車両音評価装置
2017-08-31
Patent
Electronic Resource
Japanese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS |
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