EXTENDING THE AREA SILENCED BY ACTIVE NOISE CONTROL USING MULTIPLE LOUDSPEAKERS

被引：0
|
作者：
Barkefors, Annea [1 ]
Berthilsson, Simon [1 ]
Sternad, Mikael [1 ]
机构：
[1] Uppsala Univ, S-75121 Uppsala, Sweden
来源：
2012 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP) | 2012年
关键词：
EQUALIZATION;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Active noise control is of increasing interest in e. g. cars, but the zone of noise damping becomes limited in reverberant environments. We investigate the possibility of extending this spatial zone significantly, by using multiple control loudspeakers. MIMO feedforward controllers designed by linear quadratic control theory are here shown to increase the limiting frequency for uniform damping in a 0.3x0.3 m test area, from 200 Hz to around 600 Hz.
引用
收藏
页码：325 / 328
页数：4
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