Analytic Sound Source Localization with Triangular Microphone Array
- Analytic Sound Source Localization with Triangular Microphone Array
- 이병기; 최종석
- analytic; sound source localization; triangular microphone array
- Issue Date
- URAI 2009
- 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.
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- KIST Publication > Conference Paper
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