A Novel Multiple Sparse Source Localization Using Triangular Pyramid Microphone Array

Abstract

Making use of the time-frequency spectra sparsity of the speech sources and the spatial and inter-relation information provided from a triangular pyramid microphone array (TPMA), the ratio of the inter-sensor phase difference (RIPD) is defined and a direct relationship between RIPD information and the direction of arrival (DOA) of each source is obtained. A… (More)
DOI: 10.1109/LSP.2011.2179801

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