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Table 1 Performance evaluation in different noise conditions

From: Voice activity detection based on conjugate subspace matching pursuit and likelihood ratio test

Environments

LRT-MP

LRT-Laplacian

Noise

SNR (dB)

P d (%)

P f (%)

P d (%)

P f (%)

White

0

87.9

10.7

88.7

10.3

 

5

94.3

9.9

94.2

9.7

 

10

96.4

9.5

95.8

9.6

 

20

97.2

9.4

96.8

9.2

Vehicle

0

85.3

10.9

80.3

11.4

 

5

93.3

10.7

89.7

10.5

 

10

95.4

9.1

92.5

10.2

 

20

97.2

8.8

95.2

9.3

Babble

0

63.3

11.1

58.7

11.9

 

5

79.3

11.1

78.9

11.7

 

10

84.2

9.3

80.6

10.4

 

20

87.4

9.1

83.7

9.6