Skip to main content

Advertisement

Table 6 Performance comparison in terms of SNR improvement in decibels in the presence of car noise

From: A semisoft thresholding method based on Teager energy operation on wavelet packet coefficients for enhancing noisy speech

SNR (dB) MMSE Spectral subtraction Wiener filtering Proposed method
15 1.61 2.5 2.2 3.1
10 2.74 4.1 3.74 5
5 5.63 7.5 5.4 7.89
0 6.94 8.3 6.3 9.38
-5 9.2 9.83 8.8 11.9
-10 11.74 11 12.1 12.5
-15 12.5 12.8 13.2 13.37