Performance of Adaptive Noise Cancellation with Normalized Last-Mean-Square Based on the Signal-to-Noise Ratio of Lung and Heart Sound Separation

Table 5

A sample of searching the optimal for the designed algorithm ( = −7.78).

#	µ	(dB)
		L = 4	8	16	32	64	128	256	512	1024	2048
1	0.8	−5.3	−3.4	−1.8	−0.4	2.1	0.0	NaN	NaN	NaN	NaN
2	0.6	−6.1	−4.1	−2.4	−0.9	1.4	0.0	NaN	NaN	NaN	NaN
3	0.35	−8.0	−5.7	−3.8	−2.2	−0.1	3.0	0.0	NaN	NaN	NaN
4	0.26	−9.1	−6.6	−4.6	−2.9	−0.9	2.3	6.3	NaN	NaN	NaN
5	0.178	−10.7	−8.0	−5.7	−3.9	−2.0	1.1	5.5	7.5	NaN	NaN
6	0.09	−13.5	−10.7	−8.1	−5.8	−3.9	−0.9	3.6	6.4	7.6	NaN
7	0.0797	−13.9	−11.1	−8.4	−6.2	−4.2	−1.2	3.3	6.2	7.5	0.0
8	0.0088	−24.5	−20.9	−17.6	−14.6	−11.8	−8.8	−5.0	−1.4	1.6	3.8