Audio Detect - Dahua NVR6000 series User Manual

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 3-82.

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.
Figure 3-81
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