发动机声综合分析用于电动汽车动态听觉反馈设计

IF 1 3区 物理与天体物理 Q4 ACOUSTICS Acta Acustica Pub Date : 2023-01-01 DOI:10.1051/aacus/2023031
Théophile Dupré, Sébastien Denjean, M. Aramaki, R. Kronland-Martinet
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引用次数: 0

摘要

在传统的内燃机汽车中,发动机的声音在增强驾驶员对车辆动力学的体验方面起着重要的作用,对舒适性和安全性都有贡献。然而,随着更安静的电动汽车的发展,驾驶员不再接受这种重要的听觉反馈,这可能导致车辆舱内的声学环境不太令人满意。为了解决这个问题,电动汽车已经开发出了声音化策略,为驾驶员提供类似的听觉反馈,但用户的反馈表明,这些策略产生的声音不能与车内其他声音无缝融合。本研究的重点是在传统内燃机汽车的特点基础上,确定能够在合成声音和车辆自然声景之间产生凝聚力的关键声学参数。通过对内燃机车辆产生噪声的时间和频率的分析,确定了频率和振幅的微调制,以及发动机和座舱之间的声音传递引起的共振。基于Shepard-Risset错觉,将这些参数纳入电动汽车动力学声化的综合模型。我们进行了感知测试,结果表明,在合成声音中加入共振可以显著增强其自然度,而微调制则没有显著影响。
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Analysis by synthesis of engine sounds for the design of dynamic auditory feedback of electric vehicles
In traditional combustion engine vehicles, the sound of the engine plays an important role in enhancing the driver’s experience of the vehicle’s dynamics, and contributes to both comfort and safety. However, with the development of quieter electric vehicles, drivers no longer receive this important auditory feedback, and this can lead to a less satisfying acoustic environment in the vehicle cabin. To address this issue, sonification strategies have been developed for electric vehicles to provide similar auditory feedback to the driver, but feedback from users has suggested that the sounds produced by these strategies do not blend seamlessly with the other sounds in the vehicle cabin. This study focuses on identifying the key acoustic parameters that create a sense of cohesion between the synthetic sounds and the vehicle’s natural soundscape, based on the characteristics of traditional combustion engine vehicles. Through analyzing the time and frequency of the noises produced by combustion engine vehicles, the presence of micro-modulations in both frequency and amplitude was identified, as well as resonances caused by the transfer of sound between the engine and the cabin. These parameters were incorporated into a synthesis model for the sonification of electric vehicle dynamics, based on the Shepard-Risset illusion. A perceptual test was conducted, and the results showed that the inclusion of resonances in the synthesized sounds significantly enhanced their naturalness, while micro-modulations had no significant impact.
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来源期刊
Acta Acustica
Acta Acustica ACOUSTICS-
CiteScore
2.80
自引率
21.40%
发文量
0
审稿时长
12 weeks
期刊介绍: Acta Acustica, the Journal of the European Acoustics Association (EAA). After the publication of its Journal Acta Acustica from 1993 to 1995, the EAA published Acta Acustica united with Acustica from 1996 to 2019. From 2020, the EAA decided to publish a journal in full Open Access. See Article Processing charges. Acta Acustica reports on original scientific research in acoustics and on engineering applications. The journal considers review papers, scientific papers, technical and applied papers, short communications, letters to the editor. From time to time, special issues and review articles are also published. For book reviews or doctoral thesis abstracts, please contact the Editor in Chief.
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