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Table 6 Comparisons of the histogram means and standard deviations between NIMs and NDMs

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

 

NIM

NDM

# Mixture

1

2

3

5

15

35

50

50

BP

0.13

(±12.63)

0.35

(±12.29)

0.41

(±12.31)

-00.05 (±

11.66)

0.06

(±11.60)

-0.06

(±11.33)

-0.15

(±11.09)

0.23

(±11.34)

EP

2.46

(±19.88)

2.52

(±19.93)

1.99

(±19.73)

0.20

(±19.10)

0.93

(±19.41)

0.65

(±18.99)

0.22

(±18.79)

1.22

(±18.11)

  1. The histogram is the accumulating result of the differences between the manually labeled endpoints and the detected ones. The reported results are average ones over all 20 noisy corpora. If the mean values are positive, it means that some noises are wrongly detected as speech; otherwise, some speeches are wrongly detected as noise