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Fig. 9 | EURASIP Journal on Audio, Speech, and Music Processing

Fig. 9

From: Acoustic DOA estimation using space alternating sparse Bayesian learning

Fig. 9

Estimation results for the second virtual room setup. For the CBF, MVDR and SRP-PHAT methods, the estimation results are shown using the spatial spectrum of all frames. For the proposed SAVE-MSBL-EM method, the estimation results are shown using the weights w of all frames. a The trajectories of two source. b Estimation result of CBF method in free field. c Estimation result of CBF method in low reverberation. d Estimation result of SRP-PHAT method in free field. e Estimation result of SRP-PHAT method in low reverberation. f Estimation result of MVDR method in free field. g Estimation result of MVDR method in low reverberation. h Estimation result of the proposed method in free field. i Estimation result of the proposed method in low reverberation

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