Hybrid active noise control system for remote microphone based virtual sensing with two compensation filters

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2025-09-04 DOI:10.1016/j.apacoust.2025.111039

Shota Toyooka, Yoshinobu Kajikawa

引用次数: 0

Abstract

This paper proposes a hybrid active noise control system (ANC) for remote microphone-based virtual sensing with two compensation filters. The proposed system can accurately estimate the desired signal at the desired location by creating compensation filters for multiple noise sources. Two compensation filters are created for each primary path from the noise source to the error microphone and the desired point in feed-forward and feedback ANC. An additional adaptive filter decomposes the mixed signal captured by the error microphone into individual source components. Each component is then processed using its corresponding compensation filter in both feedforward and feedback control, allowing the system to reconstruct the desired signal with high accuracy. Simulation results using measured impulse responses demonstrate that the proposed system improves noise reduction by approximately 20 dB compared to the conventional hybrid ANC system.

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基于双补偿滤波器的远程麦克风虚拟传感混合有源噪声控制系统

提出了一种采用双补偿滤波器的混合主动噪声控制系统，用于远程麦克风虚拟传感。该系统通过对多个噪声源创建补偿滤波器，可以在期望的位置准确地估计期望的信号。从噪声源到误差麦克风和前馈和反馈ANC中所需点的每个主要路径都创建了两个补偿滤波器。附加的自适应滤波器将误差传声器捕获的混合信号分解为单个源分量。然后在前馈和反馈控制中使用相应的补偿滤波器对每个分量进行处理，使系统能够以高精度重建所需的信号。利用测量脉冲响应的仿真结果表明，与传统的混合ANC系统相比，该系统的降噪能力提高了约20 dB。

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.