Active road noise control (ARNC) systems have been widely investigated for low-frequency road noise attenuation in vehicle cabins. Multiple reference and error sensors are usually required to ensure noticeable noise reduction. However, this tends to slow down the convergence speed of adaptive algorithms due to the coupling of secondary paths and the cross correlation of reference signals. Furthermore, the high computational burden of normally utilized multichannel control algorithms exacerbates the difficulty of practical implementations. In this paper, an online decoupling-whitening frequency domain filtered-error least mean square (ODW-FDFeLMS) algorithm is proposed to address the aforementioned problems. Secondary path decoupling through inner-outer product decomposition and online reference whitening through spectral factorization effectively accelerate the convergence rate. Additionally, the utilization of the filtered-error algorithm based on frequency domain processing mitigates the computational complexity. Simulations with measured road noise data confirm the superiority of the ODW-FDFeLMS algorithm over existing algorithms in terms of convergence speed and computational complexity. Real-time experiments in a vehicle cabin further confirm the effectiveness of the proposed algorithm.
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August 2024
August 30 2024
An online decoupling-whitening frequency domain filtered-error least mean square algorithm for active road noise control
Siyuan Lian;
Siyuan Lian
1
Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University
, Nanjing 210093, China
2
NJU-Horizon Intelligent Audio Lab, Nanjing Institute of Advanced Artificial Intelligence
, Nanjing 210014, China
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Tianyou Li;
Tianyou Li
1
Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University
, Nanjing 210093, China
2
NJU-Horizon Intelligent Audio Lab, Nanjing Institute of Advanced Artificial Intelligence
, Nanjing 210014, China
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Jincheng Gu;
Jincheng Gu
2
NJU-Horizon Intelligent Audio Lab, Nanjing Institute of Advanced Artificial Intelligence
, Nanjing 210014, China
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Yuxiang Hu;
Yuxiang Hu
2
NJU-Horizon Intelligent Audio Lab, Nanjing Institute of Advanced Artificial Intelligence
, Nanjing 210014, China
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Changbao Zhu;
Changbao Zhu
2
NJU-Horizon Intelligent Audio Lab, Nanjing Institute of Advanced Artificial Intelligence
, Nanjing 210014, China
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Shuping Wang;
Shuping Wang
a)
1
Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University
, Nanjing 210093, China
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Jing Lu
Jing Lu
1
Key Laboratory of Modern Acoustics, Institute of Acoustics, Nanjing University
, Nanjing 210093, China
2
NJU-Horizon Intelligent Audio Lab, Nanjing Institute of Advanced Artificial Intelligence
, Nanjing 210014, China
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a)
Email: shuping.wang@nju.edu.cn
J. Acoust. Soc. Am. 156, 1413–1424 (2024)
Article history
Received:
March 07 2024
Accepted:
August 03 2024
Citation
Siyuan Lian, Tianyou Li, Jincheng Gu, Yuxiang Hu, Changbao Zhu, Shuping Wang, Jing Lu; An online decoupling-whitening frequency domain filtered-error least mean square algorithm for active road noise control. J. Acoust. Soc. Am. 1 August 2024; 156 (2): 1413–1424. https://doi.org/10.1121/10.0028312
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