The previously heuristic weighted-power-minimization distortionless-response convolutional beamformer is derived from a Gaussian maximum likelihood model, and a WPE-based steering vector estimator is added.
Online MVDR beamformer based on complex Gaussian mixture model with spatial prior for noise robust A SR,
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Maximum likelihood convolutional beamformer for simultaneous denoising and dereverberation
The previously heuristic weighted-power-minimization distortionless-response convolutional beamformer is derived from a Gaussian maximum likelihood model, and a WPE-based steering vector estimator is added.