Analytic Sound Source Localization with Triangular Microphone Array

Title
Analytic Sound Source Localization with Triangular Microphone Array
Authors
이병기최종석
Keywords
analytic; sound source localization; triangular microphone array
Issue Date
2009-10
Publisher
URAI 2009
Abstract
Sound source localization is one of important parts of acoustic signal process. Especially, it is essential for intelligent robot audition system. Many of sound source localizer make use of the relation of TDOA (time delay of arrival) among microphones with the source position to estimate the direction of sound source. We have developed a sound source localizer with a triangular microphone-array in a free field. However, we have focused on only source’s azimuth estimation and the elevation estimation has been out of our interest so far. In this paper, we will analyze the TDOA of the triangular microphone-array, derive explicit equations for the source direction, not only the azimuth but also the elevation, and verify it effective through simulations and experiments.
URI
http://pubs.kist.re.kr/handle/201004/36435
Appears in Collections:
KIST Publication > Conference Paper
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