Table 4 PESQ values for the W β-SA estimator with different schemes of parameter β, case of white noise

Input noisy speech

1.13

1.26

1.47

1.75

2.06

Choice of β = 1.82

1.48

1.69

2.00

2.32

2.68

Choice of β by (11)

1.53

1.74

2.08

2.39

2.72

Choice of β by (12)

1.52

1.74

2.06

2.42

2.75

Proposed choice of β

1.54

1.77

2.14

2.49

2.81