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- W2188702588 abstract "The main characteristics of microphone arrays, usually applied in sound source localization, greatly depend from their structures. Some possible structures of arrangement of the microphones in the arrays are: linear, triangular, circular, spherical, etc. The choice of using each of these structures depends from constructive parameters (size, dimension, etc.) and from concrete application (for example in mobile robots sound localization systems). The relative new MEMS (Micro Electro Mechanical Systems) technology sets some specific requirements related to their little size, digital sound output interface, phase diagram, etc. Therefore, the main goal of this article is to describe and use the already developed microphone array module with MEMS microphones, to propose different structures of MEMS microphone arrays and to test the precision of each of the proposed MEMS microphone array structures in dependence of their electrical and constructive characteristics, important for determination of direction of sound source. In the article are presented briefly the theoretical base of microphone arrays (Direction of Arrival - DOA and Beam Forming) and their related equations describing the main characteristic of microphone array - to localize direction of sound arrival. The presented theoretical basis and equations are then applied in the proposed in this article different structures of MEMS microphone arrays to define and test the quantitative estimation of precision of each proposed MEMS microphone array structures in the determination of direction of sound source." @default.
- W2188702588 created "2016-06-24" @default.
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- W2188702588 date "2014-01-01" @default.
- W2188702588 modified "2023-09-26" @default.
- W2188702588 title "MEMS Microphone Arrays Structures in Sound Source Localization" @default.
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