神经动力学约束心理物理建模用于车辆噪音引起的运动感知
1Institute of Vibration, Shock and Noise, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
The Journal of the Acoustical Society of America
|January 9, 2026
概括
电动汽车的声音设计可以通过了解特定的声音频率如何影响运动感知来优化. 这项研究将神经反应与声音特征联系起来,改善车辆的听觉体验.
科学领域:
- 汽车工程 汽车工程
- 精神声学是一种精神声学.
- 神经科学是一个神经科学.
背景情况:
- 运动感知是电动汽车 (EV) 驾驶体验的关键.
- 当前的声音设计缺乏明确的精神声学相关性与运动性.
- 客观的声音特征和主观的运动性联系需要量化.
研究的目的:
- 量化客观声音特征和主观运动性之间的精神声学相关性.
- 通过使用电脑电图 (EEG) 来研究运动感知的神经相关性.
- 开发一种用于优化电动汽车声音设计的精神声学模型.
主要方法:
- 记录了15个来自燃油和电动汽车的内部声音刺激在60dB的A).
- 对30名参与者进行了精神声学评估,以评估运动性.
- 分析了22名参与者的脑电图 (EEG) 数据,以检测神经反应.
主要成果:
- 4 Hz振幅调制的声音组件抑制了主要运动皮层中的4 Hz振荡 (r = -0.679,p < 0.01).
- 这种神经抑制与增强的运动感知正相关 (r = 0.747,p < 0.01).
- 一个新型的精神声学模型结合了声音和4/40 Hz调制功率,其性能优于传统模型 (调整R2=0.841对比0.682).
结论:
- 神经动力学,特别是运动皮层振荡,与电动车的听觉运动感知有关.
- 这些发现为设计沉浸式汽车音景提供了心理物理框架.
- 这项研究有助于优化汽车工程和虚拟现实的声音设计.
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