Research Article
Performance of Adaptive Noise Cancellation with Normalized Last-Mean-Square Based on the Signal-to-Noise Ratio of Lung and Heart Sound Separation
Figure 7
Input and output signal graphics of ANC-NLMS algorithm on a normal case (LSN1). The obtained graphics and at = 0.017, where the is −8.65 dB, and the is −3.34 dB at L = 128.
(a) |
(b) |
(c) |
(d) |