Summary

Proceedings of the 2012 International Symposium on Nonlinear Theory and its Applications

2012

Session Number:A4L-C

Session:

Number:251

Investigation on Optimal Arrangement of Microphone Array with 3-Dimensional Directivity

Tomoki Taguchi,  Masafumi Goseki,  Hiroshi Takemura,  Isao Nakase,  Kazuhiro Fukui,  Fusako Kusunoki,  Shigenori Inagaki,  Hiroshi Mizoguchi,  

pp.251-254

Publication Date:

Online ISSN:2188-5079

DOI:10.15248/proc.1.251

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Summary:
This paper presents a microphone array design which can be used for capturing a sound selectively and locally at 3-dimensional space. Capturing a sound by microphone array is achieved by addition each signal after fitting each phase. In this method, microphone arrangement has a large effect on the directivity, but it is difficult to calculate optimal microphone arrangement analytically. So we provided many candidates of microphone arrangement, and evaluate a performance of each candidate to obtain optimal microphone arrangement. As a result, we have obtained a high directional quality arrangement that can accept omni-directional in 3-dimensional space.

References:

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