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

Table 3

MSE for different algorithms.

Signals		PsoBatch algorithm	PsoExtraction algorithm	AbcBatch algorithm	AbcExtraction algorithm	Proposed algorithm
Speech	𝑠1	4.987𝑒−5	3.249𝑒−5	2.354𝑒−4	3.249𝑒−5	4.867𝑒−5
	𝑠2	1.947𝑒−5	4.676𝑒−5	3.997𝑒−4	4.676𝑒−5	9.571𝑒−7
	𝑠3	2.855𝑒−5	3.744𝑒−5	7.712𝑒−4	3.752𝑒−5	1.943𝑒−5
Music	𝑠4	1.058𝑒−3	1.058𝑒−3	1.188𝑒−3	1.058𝑒−3	1.983𝑒−4
	𝑠5	2.658𝑒−3	5.660𝑒−4	2.676𝑒−3	5.662𝑒−4	3.313𝑒−4
	𝑠6	4.662𝑒−4	5.588𝑒−4	6.360𝑒−4	5.588𝑒−4	1.334𝑒−6