Dahua 6064 SERIES

80
Figure 3-80
3.10.3 Audio Detect
System can generate an alarm once it detect the audio input is abnormal or audio volume changes.
From main menu->Setting->Event->Audio detect, you can see an interface shown as in Figure 3-81.
 Input abnormal: Check the box here, system can generate an alarm once the audio input is
abnormal.
 Intensity change: Check the box here, system can generate an alarm once the audio volume
becomes strong.
 Sensitivity: It refers to the audio recognition sensitivity. The higher the value is, the higher the
sensitivity is.
 Threshold: It is to set intensity change threshold. The smaller the value is, the higher the sensitivity
is.
You can refer to the chapter 3.10.1.1 to set other parameters.