Direction of Arrival Estimation and Localization Using Acoustic Sensor Arrays
Vitaliy Kunin, Marcos Turqueti, Jafar Saniie, Erdal Oruklu
DOI: 10.4236/jst.2011.13010   PDF    HTML     10,051 Downloads   17,844 Views   Citations


Sound source localization has numerous applications such as detection and localization of mechanical or structural failures in vehicles and buildings or bridges, security systems, collision avoidance, and robotic vision. The paper presents the design of an anechoic chamber, sensor arrays and an analysis of how the data acquired from the sensors could be used for sound source localization and object detection. An anechoic chamber is designed to create a clean environment which isolates the experiment from external noises and reverberation echoes. An FPGA based data acquisition system is developed for a flexible acoustic sensor array platform. Using this sensor platform, we investigate direction of arrival estimation and source localization experiments with different geometries and with different numbers of sensors. We further present a discussion of parameters that influence the sensitivity and accuracy of the results of these experiments.

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V. Kunin, M. Turqueti, J. Saniie and E. Oruklu, "Direction of Arrival Estimation and Localization Using Acoustic Sensor Arrays," Journal of Sensor Technology, Vol. 1 No. 3, 2011, pp. 71-80. doi: 10.4236/jst.2011.13010.

Conflicts of Interest

The authors declare no conflicts of interest.


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