Research Article

Single Channel Speech Enhancement Using Adaptive Soft-Thresholding with Bivariate EMD

Table 1

Overall output SNR using proposed method and comparison with other methods [2, 3] for white noise.

Noise levelSWm [3]HST [17]uEMD [5]bEMD

0 dB7.187.568.08.6
5 dB10.4910.2111.612.2
10 dB13.5213.1415.115.7
15 dB17.2415.8718.819.5
20 dB20.7520.0122.623.2
25 dB24.4824.8526.627.1
30 dB29.0829.2431.231.3