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An inverse approach based on the acoustical holography concept can be effectively applied to the acoustic field rendered for achieving a target sound field given as a relative response distribution of sound pressure. To implement this method, the source configuration should be determined a priori and a meaningful inverse solution of an ill-conditioned transfer matrix should be obtained. To choose efficient source positions which are almost mutually independent, the redundancy detection algorithm like the effective independence method was employed to decide the proper positions for a given number of sources. In this way, an efficient and stable filter set for a source array in controlling the sound field can be obtained. An interior domain with irregularly shaped boundaries was adopted as the target field to control for testing the suggested inverse method.
Author (s): Cho, Wan-Ho;
Ih, Jeong-Guon;
Affiliation:
KAIST, Daejeon, Korea; Chuo University, Bunkyoku, Tokyo, Japan
(See document for exact affiliation information.)
AES Convention: 128
Paper Number:8094
Publication Date:
2010-05-06
Session subject:
Multichannel and Spatial Audio
DOI:
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Cho, Wan-Ho; Ih, Jeong-Guon; 2010; Conditioning of the Problem of Source Array Design with Inverse Approach [PDF]; KAIST, Daejeon, Korea; Chuo University, Bunkyoku, Tokyo, Japan; Paper 8094; Available from: https://aes.org/publications/elibrary-page/?id=15391
Cho, Wan-Ho; Ih, Jeong-Guon; Conditioning of the Problem of Source Array Design with Inverse Approach [PDF]; KAIST, Daejeon, Korea; Chuo University, Bunkyoku, Tokyo, Japan; Paper 8094; 2010 Available: https://aes.org/publications/elibrary-page/?id=15391
@inproceedings{Cho2010conditioning,
title={{Conditioning of the Problem of Source Array Design with Inverse Approach}},
author={Cho, Wan-Ho and Ih, Jeong-Guon},
year={2010},
month={may},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 8094; AES Convention 128; May 2010},
number={8094},
organization={AES},
}
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