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Administrator’s Guide SoundPoint IP / SoundStation IP
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Voice Activity Detection <vad/>
These settings control the performance of the voice activity detection (silence
suppression) feature.
voice.txEq.hf.IP_330.preFilter.enable 0
voice.txEq.hf.IP_430.preFilter.enable 0
voice.txEq.hf.IP_500.preFilter.enable 0
voice.txEq.hf.IP_600.preFilter.enable 0
voice.txEq.hf.IP_601.preFilter.enable 0
voice.txEq.hf.IP_650.preFilter.enable 1
voice.txEq.hf.IP_4000.preFilter.enable 0
voice.txEq.hf.IP_330.postFilter.enable 1
voice.txEq.hf.IP_430.postFilter.enable 1
voice.txEq.hf.IP_500.postFilter.enable 1
voice.txEq.hf.IP_600.postFilter.enable 1
voice.txEq.hf.IP_601.postFilter.enable 1
voice.txEq.hf.IP_650.postFilter.enable 1
voice.txEq.hf.IP_4000.postFilter.enable 0
Attribute Default
Attribute
Permitted
Values Default Interpretation
voice.vadEnable 0, 1 0 If set to 1, enable VAD.
voice.vadThresh integer from 0
to 30
15 The threshold for determining what is active voice and
what is background noise in dB. This does not apply to
G.729AB codec operation which has its own built-in VAD
function.