Active control of environmental noise

被引：24
|
作者：
Wright, SE
Vuksanovic, B
机构：
[1] University of Huddersfield, School of Engineering
来源：
JOURNAL OF SOUND AND VIBRATION | 1996年 / 190卷 / 03期
关键词：
D O I：
10.1006/jsvi.1996.0079
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Most of the current research on active noise control is confined to restricted spaces such as earphones, active silencers, air-conditioning ducts, truck cabins and aircraft fuselages. In this paper the basic concepts of environmental noise reduction by using active noise control in unconfined spaces are explored. The approach is to develop a controlled acoustic shadow, generated by a wall of secondary sources, to reduce unwanted sound in the direction of a complaint area. The basic acoustic theory is considered, followed by computer modelling, and some results to show the effectiveness of the approach. EA Technology and Yorkshire electric in the United Kingdom are supporting this work. (C) 1996 Academic Press Limited
引用
收藏
页码：565 / 585
页数：21
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