OPTICALLY VISUALIZED SOUND FIELD RECONSTRUCTION BASED ON SPARSE SELECTION OF POINT SOUND SOURCES

被引：0
|
作者：
Yatabe, Kohei [1 ]
Oikawa, Yasuhiro [1 ]
机构：
[1] Waseda Univ, Dept Intermedia Art & Sci, Tokyo, Japan
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP) | 2015年
关键词：
Sound field visualization; sparse approximation; Kirchhoff-Helmholtz integral equation; convex optimization; SHOCK-WAVES; AIR;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Visualization is an effective way to understand the behavior of a sound field. There are several methods for such observation including optical measurement technique which enables a non-destructive acoustical observation by detecting density variation of the medium. For audible sound propagating through the air, however, smallness of the variation requires high sensitivity of the measuring system that causes problematic noise contamination. In this paper, a method for reconstructing two-dimensional audible sound fields from noisy optical observation is proposed.
引用
收藏
页码：504 / 508
页数：5
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