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

Table 6

Performance comparison between proposed algorithm and three widely used algorithms.

		Speech					Music
		FastICA	Extended Infomax	JADE	Proposed algorithm		FastICA	Extended Infomax	JADE	Proposed algorithm
SNR	𝑠1	30.3397	24.2091	31.3271	31.5761	𝑠4	16.4701	20.8582	19.3042	25.8384
	𝑠2	32.8192	22.9595	32.4365	47.2315	𝑠5	11.6008	15.7295	17.4733	23.1312
	𝑠3	32.1893	25.8227	32.2241	35.7167	𝑠6	16.0358	23.2738	37.3531	50.9539
AVCC	𝑠1	0.99953	0.99659	0.99955	0.99959	𝑠4	0.98688	0.99536	0.99345	0.99857
	𝑠2	0.99974	0.99904	0.99981	0.99999	𝑠5	0.97552	0.99504	0.99446	0.99823
	𝑠3	0.99961	0.99754	0.99971	0.99986	𝑠6	0.98633	0.99864	0.99990	0.99999
MSE	𝑠1	5.162𝑒−5	3.203𝑒−4	4.981𝑒−5	4.867𝑒−5	𝑠4	5.492𝑒−4	6.311𝑒−4	8.932𝑒−4	1.983𝑒−4
	𝑠2	3.733𝑒−5	2.651𝑒−4	2.882𝑒−5	9.571𝑒−7	𝑠5	2.834𝑒−3	1.876𝑒−3	1.227𝑒−3	3.313𝑒−4
	𝑠3	3.265𝑒−5	3.890𝑒−4	4.305𝑒−5	1.943𝑒−5	𝑠6	3.481𝑒−3	6.725𝑒−4	2.576𝑒−5	1.334𝑒−6