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Table 2 Performance comparisons between the proposed algorithm (with 5-mixture NIM) and other referenced VADs (%)

From: An efficient voice activity detection algorithm by combining statistical model and energy detection

  

G.729B

AFE WF

AFE FD

Sohn

Ramirez

Tahmasbi

Proposed

Scenario

SNR (dB)

SDR

FAR

SDR

FAR

SDR

FAR

SDR

FAR

SDR

FAR

SDR

FAR

SDR

FAR

 

5

70.31

55.11

87.78

25.87

99.97

87.41

80.18

39.43

86.30

36.28

77.79

39.86

95.53

27.62

 

10

77.99

53.74

94.12

24.99

100.00

86.99

83.31

28.03

88.88

23.10

81.57

29.35

96.29

15.92

Babble

15

84.00

50.29

97.15

24.86

100.00

83.67

85.76

17.19

90.68

10.86

83.56

15.64

96.79

10.28

 

20

87.65

40.32

98.54

25.42

100.00

76.48

88.71

11.83

93.50

6.74

87.62

10.98

96.70

8.02

 

25

87.97

23.40

99.16

27.09

99.99

64.91

90.93

8.19

95.30

5.02

90.89

6.95

95.84

6.51

 

5

64.22

50.86

95.35

25.65

99.99

79.89

85.78

20.93

88.00

22.21

83.29

29.09

96.23

13.67

 

10

73.87

49.84

92.57

18.09

99.98

81.63

82.49

30.87

90.93

16.40

84.28

20.56

96.09

11.57

Factory

15

81.72

47.63

96.64

19.19

99.99

78.88

84.49

18.18

90.32

11.78

85.79

16.70

96.89

7.79

 

20

86.65

38.58

98.36

20.75

99.99

71.24

87.52

10.86

93.29

7.11

88.13

11.78

96.81

6.59

 

25

87.60

23.24

99.07

22.87

99.99

59.30

90.00

7.87

95.04

5.02

90.43

9.04

95.97

5.87

 

5

56.78

44.49

76.09

2.05

99.92

81.13

80.12

25.56

85.94

10.04

80.98

38.63

93.53

6.58

 

10

68.14

44.88

89.18

3.92

99.99

83.36

82.27

11.74

90.98

4.45

80.25

16.08

95.50

4.77

Vehicle

15

77.47

43.65

95.26

5.91

100.00

77.96

86.23

6.07

94.74

3.99

84.82

8.48

96.99

3.95

 

20

84.54

35.31

97.86

8.41

99.99

65.67

89.89

4.57

96.63

4.46

89.72

5.45

97.27

4.32

 

25

86.90

19.76

98.90

11.46

99.99

49.62

92.61

5.43

97.21

5.07

93.22

5.08

96.44

4.45

 

5

51.98

44.66

74.69

1.39

99.75

66.18

79.50

17.75

86.01

6.20

79.50

29.19

92.98

5.63

 

10

64.60

44.93

88.50

3.29

99.96

76.23

83.52

9.51

91.88

4.43

82.22

12.26

95.50

4.77

White

15

75.07

43.89

94.92

5.34

99.99

78.42

87.63

5.02

95.15

3.32

87.32

5.78

96.95

3.60

 

20

83.37

36.34

97.79

7.80

99.99

72.21

91.01

4.33

96.80

3.92

91.89

4.60

97.25

3.67

 

25

86.56

20.55

98.87

10.93

99.99

61.01

93.51

4.27

97.50

4.91

94.37

5.11

96.60

3.78

  1. SDR, speech detection rate; FAR, false alarm rate