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Table 2 Optimal parameters of the sigmoid function

From: Novel adaptive muting technique for packet loss concealment of ITU-T G.722 using optimized parametric shaping functions

Packet loss rate

MSE

WB-PESQ

segSNR

fwSNRseg

 

α s

β s

γ s

α s

β s

γ s

α s

β s

γ s

α s

β s

γ s

1 %

0.70

0.01

0

0.70

0.01

0

0.70

0.01

0

0.64

0.01

0

3 %

0.85

0.01

0

0.82

0.01

50

0.64

0.06

100

0.94

0.01

50

6 %

1.00

0.01

0

0.88

0.01

0

0.76

0.01

0

0.91

0.01

0

10 %

0.79

0.01

0

0.61

0.01

50

0.73

0.01

0

0.64

0.01

0

20 %

0.70

0.01

0

0.91

0.01

150

0.70

0.01

0

0.64

0.01

0

Average

0.81

0.01

0

0.78

0.01

50

0.71

0.02

20

0.75

0.01

10