Numerical and experimental generation of interior multi-regional sound field reproduction based on auditory masking effects

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2025-09-20 DOI:10.1016/j.apacoust.2025.111086

Xu Li, Xudong Wu, Jin Huang, Qitao Feng

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引用次数: 0

Abstract

A multi-regional sound field reproduction framework that integrates auditory masking effects and the frequency spectra of different audios is constructed, designed to achieve high-quality reproduction tailored for vehicular environments. By incorporating Bark domain characteristics and loudness sensitivity, reproduction thresholds are calculated based on speech broadcast and piano music, enhancing reproduced performance in alignment with auditory perception. To address reproduction challenges in the targeted frequency intervals, an amplitude optimizing algorithm is developed by selecting the applicable reproductive amplitudes and performing numerical solutions. In contrast to pressure matching, this algorithm ensures more stabilized acoustic contrast between regions with lower reproduced differences and high-precision performance in the dark region with greater differences. An experimental platform incorporating the boundaries of vehicular sound cavities is established to verify the reproduced performance of multi-regional sound fields in free-fields and vehicular environments. Experimental results indicate that, regardless of the experimental situation, compared to traditional audio superposition, the proposed reproduction framework can achieve prominent multi-regional sound field based on masking effects. Starting from the auditory perception and reproduction requirements specific to vehicular environments, this paper provides an innovative foundation for multi-regional sound field reproduction in practical applications.

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基于听觉掩蔽效应的室内多区域声场再现的数值与实验生成

构建了一个融合了听觉掩蔽效应和不同音频频谱的多区域声场再现框架，旨在实现针对车载环境的高质量再现。通过结合吠叫域特征和响度敏感性，基于语音广播和钢琴音乐计算再现阈值，增强与听觉感知一致的再现性能。为了解决目标频率区间内的再现挑战，提出了一种振幅优化算法，通过选择适用的再现振幅并进行数值求解。与压力匹配相比，该算法在再现差异较小的区域之间的声学对比度更稳定，在差异较大的暗区域具有高精度的性能。建立了考虑车辆声腔边界的实验平台，验证了自由场和车辆环境下多区域声场的再现性能。实验结果表明，无论实验情况如何，与传统的音频叠加相比，本文提出的再现框架都可以实现基于掩蔽效应的突出的多区域声场。本文从车辆环境特有的听觉感知和再现要求出发，为实际应用中的多区域声场再现提供了创新基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Acoustics 物理-声学

CiteScore

7.40

自引率

11.80%

发文量

618

审稿时长

7.5 months

期刊介绍： Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.