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 6
Input and output signal graphics of ANC-NLMS algorithm on an abnormal case (LSA6). Obtained graphics and at = 0.039 and L = 2048, where the input SNR is −53.86 dB.
(a) |
(b) |
(c) |
(d) |