EURASIP Journal on Audio, Speech, and Music Processing

Table 2 Room-independent SAD results on the DIRHA-sim (left) and DIRHA-real (right) test sets, further discussed in Section 8.1

From: Room-localized speech activity detection in multi-microphone smart homes

Method		DIRHA-sim						DIRHA-real
		Recall		Precision		F-score		Recall		Precision		F-score
		GMM	HMM	GMM	HMM	GMM	HMM	GMM	HMM	GMM	HMM	GMM	HMM
Oracle-best		96.94	94.67	94.01	96.82	95.45	95.73	93.01	95.49	95.91	96.46	94.44	95.97
Channel avg.		87.86	82.26	76.64	83.13	81.82	82.69	65.56	71.57	89.47	87.42	75.37	78.34
Best act.-SNR		94.56	92.36	83.85	87.95	88.88	90.10	88.77	90.33	88.95	86.87	88.86	88.57
Best est.-SNR		96.60	93.63	66.56	73.54	78.81	82.38	92.43	93.41	74.38	74.02	82.43	82.59
Sohn’s		81.22		58.91		68.29		78.05		61.51		68.80
Decision fusion	“u-sum”	94.39	91.08	83.60	90.97	88.67	91.01	74.76	89.11	96.54	91.70	84.26	90.39
	“w-sum”	95.00	91.78	83.57	91.82	88.92	91.80	76.87	87.37	96.58	93.37	85.67	90.27
	“u-max”	74.17	82.51	75.28	73.69	74.72	77.85	45.66	68.40	97.21	95.01	62.14	79.54
	“w-max”	95.44	95.53	82.34	87.16	88.41	91.15	79.76	89.66	95.77	88.70	87.03	89.18
	“u-vote”	92.55	88.92	84.18	92.24	88.16	90.55	69.12	83.39	96.61	95.02	80.58	88.82
	“w-vote”	91.37	91.83	87.39	90.40	89.34	91.11	74.76	85.03	96.54	94.82	84.26	89.66

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