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EURASIP Journal on Audio, Speech, and Music Processing
Fig. 6 | EURASIP Journal on Audio, Speech, and Music Processing

Fig. 6

From: NMF-weighted SRP for multi-speaker direction of arrival estimation: robustness to spatial aliasing while exploiting sparsity in the atom-time domain

Fig. 6

Effect of dictionary size DT on SRP-NMF performance. Subplots show the histograms of SRP-NMF on a mixture of 4 sources taken from SiSEC database (dev1_male4_liverec_250ms_5cm_mix.wav) with β=60 and DT varying from 5 to 55. DT is displayed on each of the subplots. The x-axis shows DoA (degrees). The y-axis is the (normalized) frequency of DoAs

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