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Integration of Multiple Microphone Arrays and Use of Sound Reflections for 3D Localization of Sound Sources

Carlos T. ISHI, Jani EVEN, Norihiro HAGITA

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Summary :

We proposed a method for estimating sound source positions in 3D space by integrating sound directions estimated by multiple microphone arrays and taking advantage of reflection information. Two types of sources with different directivity properties (human speech and loudspeaker speech) were evaluated for different positions and orientations. Experimental results showed the effectiveness of using reflection information, depending on the position and orientation of the sound sources relative to the array, walls, and the source type. The use of reflection information increased the source position detection rates by 10% on average and up to 60% for the best case.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.9 pp.1867-1874
Publication Date
2014/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.1867
Type of Manuscript
Special Section PAPER (Special Section on Spatial Acoustic Signal Processing and Applications)
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