Blind Source Separation Based on Covariance Ratio and Artificial Bee Colony Algorithm

Table 4

Average value of performance indexes.

Signals	Performance indexes	PsoBatch algorithm	PsoExtraction algorithm	AbcBatch algorithm	AbcExtraction algorithm	Proposed algorithm
Speech	SNR	33.2383	32.1599	32.9811	32.1567	38.1747
	AVCC	0.99973	0.99969	0.99631	0.99969	0.99981
	MSE	3.263𝑒−5	3.889𝑒−5	4.687𝑒−4	3.893𝑒−5	2.302𝑒−5
Music	SNR	19.1388	21.1158	18.9110	21.1153	33.3078
	AVCC	0.99453	0.99531	0.99384	0.99531	0.99893
	MSE	1.394𝑒−3	7.276𝑒−4	1.500𝑒−3	7.277𝑒−4	1.769𝑒−4