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 |