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We address the problem of estimating direction-of-arrivals (DOAs) formultiple acoustic sources in a reverberant environment using a sphericalmicrophone array. It is well-known that multi-source DOA estimation ischallenging in the presence of room reverberation, environmental noise andoverlapping sources. In this work, we introduce multiple schemes to improve therobustness of estimation consistency (EC) approach in reverberant and noisyconditions through redefined and modified parametric weights. Simulationresults show that our proposed methods achieve superior performance compared tothe existing EC approach, especially when the sources are spatially close in areverberant environment.

Multi-Source Direction-of-Arrival Estimation Using Improved Estimation Consistency Method