Table 6 PESQ values for the W β-SA estimator with different schemes of parameter β, case of car noise

Input noisy speech

1.13

1.26

1.47

1.75

2.06

Choice of β = 1.82

1.60

1.81

2.09

2.43

2.76

Choice of β by (11)

1.63

1.84

2.14

2.49

2.78

Choice of β by (12)

1.62

1.83

2.14

2.51

2.80

Proposed Choice of β

1.66

1.88

2.20

2.54

2.84