Direction of Arrival (DoA) Performance of Several Acoustic Vector-Sensor Configurations in the Reverberant Environment
Several acoustic vector-sensor (AVS) configurations have been tested for direction of arrival (DoA) estimation in a diffused reverberant environment using pressure gradient method. The discrete pressure sensors have been arranged with different geometrical placement and pressure gradients have been estimated for finding DoA of an acoustic source. The received signals at the pressure sensor for different reverberation time, different duration and different angular locations have been generated using COMSOL Multiphysics® software and are used to estimate DoA of single sound source. The DoA error performance is different for different pressure sensor configurations without reverberations. However, in the diffused reverberant environment all configurations have been performed identically, provided received signals are of the same duration.
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