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

Table 5

Statistical results of different BIO algorithms.

		Speech				Music
		MABC	ABC	PSO		MABC	ABC	PSO
SNR	𝑠1	31.5761	31.2449	30.9816	𝑠4	25.8384	25.7068	24.2166
	𝑠2	47.2315	45.9496	45.4138	𝑠5	23.1312	22.8939	21.4857
	𝑠3	35.7167	35.1299	34.5042	𝑠6	50.9539	46.7180	43.6723
AVCC	𝑠1	0.99959	0.99956	0.99947	𝑠4	0.99857	0.99845	0.99689
	𝑠2	0.99999	0.99997	0.99993	𝑠5	0.99823	0.99812	0.99778
	𝑠3	0.99986	0.99984	0.99971	𝑠6	0.99999	0.99999	0.99793
MSE	𝑠1	4.867𝑒−5	4.964𝑒−5	6.210𝑒−5	𝑠4	1.983𝑒−4	1.993𝑒−4	4.143𝑒−4
	𝑠2	9.571𝑒−7	9.786𝑒−7	7.391𝑒−6	𝑠5	3.313𝑒−4	3.425𝑒−4	7.102𝑒−4
	𝑠3	1.943𝑒−5	1.986𝑒−5	4.603𝑒−5	𝑠6	1.334𝑒−6	1.356𝑒−6	5.132𝑒−4