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The Scientific World Journal
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2014
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Article
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Tab 1
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Research Article
A Hierarchical Framework Approach for Voice Activity Detection and Speech Enhancement
Table 1
Average speech/nonspeech hit rates under different noise conditions at 5 dB.
VAD
Noise
White
Buccaneer
Babble
Factory
Average
G.729
80.4%
49.4%
51.6%
57.1%
59.6%
Amr2
75.5%
63.3%
64.2%
64.5%
66.9%
Proposed
87.9%
69.7%
70.3%
73.2%
75.3%