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Table 2 Average speech and non-speech hit rates for SNR levels ranging from 20 to −5 dB

From: Voice activity detection algorithm based on long-term pitch information

VAD

Sohn

Harmfreq

LTSD

LTSV

LSFM

LTPD

HR0 (%)

59.80

74.70

38.92

81.51

76.00

87.77

HR1 (%)

96.25

90.63

98.28

90.34

87.77

94.23

  1. Note: The italicized numbers mean the highest average speech or non-speech hit rate among all evaluated algorithms