"Eye Array" Sound Source Localization

Title"Eye Array" Sound Source Localization
Publication TypeConference Paper
Year of Publication2006
AuthorsAlghassi, H., S. Tafazoli, and P. Lawrence
Conference NameSignals, Systems and Computers, 2006. ACSSC '06. Fortieth Asilomar Conference on
Pagination2290 -2294
Date Publishedoct.
Keywordsacoustic signal processing, array signal processing, hemispherical microphone array, linear weighted spatial averaging, microphone arrays, signal processing, sound source localization

In this paper we present a novel signal processing algorithm and array for sound source localization in an enclosed area. This method, which has some similarity to the human eye structure, consists of a novel hemispherical microphone array with microphones on the shell and one microphone in the sphere center. A signal processing scheme utilizes parallel creation of a special closeness functions for each microphone direction on the shell in the time domain. By choosing microphone directions corresponding to the highest closeness function values and implementing a linear weighted spatial averaging on those directions we estimate the sound source direction.


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