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

Table 1

Lung sound data.

N	Name	Type of sound	Status	Recording position
1	LSN1	Vesicular	Normal	Posterior: left, low	−8.65
2	LSA2	Crackles	Abnormal	Posterior: left, middle	−14.4
3	LSN3	Bronchial	Normal	Chest: right, up	−3.93
4	LSA4	Wheeze	Abnormal	Posterior: left, middle	−15.9
5	LSN5	Broncho-vesicular	Normal	Posterior: left up	−7.78
6	LSA6	Crackles	Abnormal	Posterior: right, low	−53.8