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Table 15 Mean scores of OVRL 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 3.6 3.9 4.3 4.8
2 4.5 3.8 4.1 4.9
3 3 3.5 4.2 4.6
4 3.2 4.2 4 4.7
5 4.0 3.8 4.1 5
  1. Performance comparison of the mean scores of OVRL scale evaluated for different methods in the presence of babble noise at a SNR of 10 dB.