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Table 1 VAD results from different GMM orders at different kinds of environments with different SNRs

From: A novel voice activity detection based on phoneme recognition using statistical model

NE SNR (dB) mix1 (%) mix2 (%) mix4 (%) mix8 (%) mix16 (%)
n-stat -5 77.31 78.90 78.46 83.19 83.17
  0 78.22 81.33 82.28 83.40 85.74
  5 81.37 82.66 81.65 82.93 84.13
  10 85.45 85.97 86.47 88.70 90.66
  15 87.91 91.33 92.67 91.91 92.82
  20 97.01 96.78 96.49 95.94 95.21
In car -5 94.68 94.80 94.81 94.91 94.94
  0 95.70 95.78 95.72 95.70 95.50
  5 96.51 96.36 96.52 95.70 95.58
  10 96.80 96.57 96.58 96.23 95.84
  15 97.49 97.36 97.12 96.53 95.90
  20 97.45 97.40 97.16 96.47 95.91
Street -5 88.85 89.21 91.42 94.91 94.94
  0 93.84 93.90 94.33 94.49 94.36
  5 95.15 95.40 95.24 95.33 95.05
  10 96.02 96.32 95.94 95.86 95.46
  15 96.68 95.60 97.03 96.38 95.60
  20 97.15 97.32 97.27 96.61 95.47