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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