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Table 2 PESQ values for the W β-SA estimator with different schemes of parameter α, case of babble noise

From: Bayesian STSA estimation using masking properties and generalized Gamma prior for speech enhancement

Input SNR (dB)

−10

−5

0

5

10

Input noisy speech

1.31

1.56

1.83

2.14

2.43

Choice of α = 0

1.48

1.71

2.03

2.40

2.73

Choice of α = 0.22

1.51

1.82

2.14

2.42

2.77

Original choice of α

1.54

1.86

2.16

2.45

2.79

Proposed choice of α

1.58

1.91

2.23

2.51

2.82