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Table 13 Mean scores of SIG scale for different methods in the presence of babble noise at a 10-dB SNR

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

Listener Spectral subtraction Wiener filtering MMSE Proposed method
1 4.1 3.1 4.2 4.5
2 3.9 3.9 4.4 5
3 4.2 4.1 4.7 4.8
4 4.1 3.7 4 4.4
5 4.2 3.9 4.3 5
  1. Performance comparison of the mean scores of SIG scale evaluated for different methods in the presence of babble noise at a SNR of 10 dB.