Time-domain sound field reproduction using the group Lasso

被引：16
|
作者：
Feng, Qipeng [1 ,2 ]
Yang, Feiran [2 ]
Yang, Jun [1 ,2 ]
机构：
[1] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Inst Acoust, Key Lab Noise & Vibrat Res, Beijing 100190, Peoples R China
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2018年 / 143卷 / 02期
关键词：
PERSONAL AUDIO; LOUDSPEAKERS; CONSTRAINT; SYSTEMS; ARRAY;
D O I：
10.1121/1.5022280
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A time-domain sound field reproduction (SFR) method based on the group Lasso (GL) is presented. The proposed method optimizes the positions and the number of active loudspeakers in the time domain by iteratively solving a mixed-norm constrained optimization problem. Simulation results demonstrate that the proposed method achieves accurate broadband SFR using a small number of active loudspeakers and significantly outperforms the least-squares method when the desired sound field is under-sampled. Moreover, the GL algorithm can also be used to optimize the loudspeaker placement for sound field control systems. (C) 2018 Acoustical Society of America
引用
收藏
页码：EL55 / EL60
页数：6
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