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- W2004372678 abstract "In this paper, we propose a multi-microphone joint optimal estimation of the direction of arrival (DOA) and the source speech signal through newly introduced EM beamforming. This produces a posterior PDF for the DOA, based only on the reliable speech spectrum. By maximizing over the posterior PDF of the DOA, we achieve maximum a posteriori DOA estimation. After convergence, the estimated source spectrum through weighted sum in the Bayesian sense is a maximum likelihood estimate (MLE). This is a sufficient statistic for minimum mean square error (MMSE) optimal estimation using a subsequent single channel MMSE filter." @default.
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- W2004372678 date "2010-03-01" @default.
- W2004372678 modified "2023-09-30" @default.
- W2004372678 title "Joint estimation of DOA and speech based on EM beamforming" @default.
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- W2004372678 doi "https://doi.org/10.1109/icassp.2010.5496144" @default.
- W2004372678 hasPublicationYear "2010" @default.
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