EURASIP Journal on Advances in Signal Processing

Table 2 Average SIR of hybrid algorithm for the experiment performed in the simulated room environment shown in Figure 5

From: A hybrid algorithm for blind source separation of a convolutive mixture of three speech sources

		Time (s)
		0 to 4	4 to 8	8 to 12	12 to 16	16 to 20	20 to 24	24 to 28	28 to 32	32 to 36	36 to 40	40 to 44
Average SIR (dB)	Input (streams)	−0.02	−2.68	−2.69	−3.79	−3.72	−0.15	−2.22	−3.90	−2.24	−2.57	−4.34
	CFDD	2.44	0.33	3.06	0.270	1.85	3.44	3.87	5.848	5.489	7.001	5.081
	ECoBLISS	0.04	−1.80	−0.96	−1.01	0.618	2.038	2.752	6.42	4.477	8.32	4.158
	Hybrid	4.13	3.52	7.66	4.30	4.93	8.209	6.505	9.213	7.903	10.2	7.889

The whole speech length has been divided into 4-s segments, and SIR is calculated on 20-ms syllable within that. The room reverberation value is taken to be 0.6 with a room impulse response length of 100 ms.

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