Online multi-channel secondary path modeling in active noise control without auxiliary noise

被引：6
|
作者：
Hu, Meiling [1 ,2 ]
Xue, Jinpei [1 ]
Lu, Jing [1 ,2 ]
机构：
[1] Nanjing Univ, Inst Acoust, Key Lab Modern Acoust, Nanjing 210093, Peoples R China
[2] Nanjing Inst Adv Artificial Intelligence, Nanjing 210014, Peoples R China
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2019年 / 146卷 / 04期
基金：
中国国家自然科学基金;
关键词：
SIMULTANEOUS EQUATION METHOD; CONTROL SYSTEM; ALGORITHM; FILTER;
D O I：
10.1121/1.5129380
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Online secondary path modeling is always appealing in active noise control due to the benefit of tracking the variations in the secondary path while exerting noise control simultaneously. However, the auxiliary noise usually utilized in online modeling contributes to the residual noise and deteriorates the noise control performance. This problem is more severe in multi-channel active control systems. Recently, it has been revealed that the secondary path can be identified using the output of the control source directly without injecting any auxiliary noise. In this letter, this strategy is extended to the multi-channel case. The reliability of the secondary path modeling is theoretically proven, and the effectiveness of the proposed multi-channel simultaneous modeling and control system is validated through simulations using measured impulse responses. VC 2019 Acoustical Society of America.
引用
收藏
页码：2590 / 2595
页数：6
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