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Speech acquisition using microphone arrays is included in a variety of trending applications. Multichannel speech enhancement based on spatial filtering aims at improving the quality of the acquired speech. The optimization of the filter coefficients has been the primary focus in beamformer design. However, the array configuration plays an important role in the quality of the speech acquisition system...
The solution of speech related problems such as source location or separation relies on a prior estimation of the number of sources. In this paper we propose a method for speech source enumeration based on the different relative delays that sources at different locations register at two microphones. The Probability Density Function (PDF) of the estimated delays exhibits peaks associated with each...
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