Audio Detect - Dahua NVR6000 series User Manual

From main menu->Setup->Event->Face detect, the interface is shown as in Figure 4-60.

Enable face boost: Check the box here, system can enhance the human face display pane.

Sensitivity: System supports 6 levels. The sixth level has the highest sensitivity.
For detailed setups, please refer to chapter 4.8.3.1.1 motion detect for detailed information.

4.8.3.3 Audio Detect

System can generate an alarm once it detect the audio input is abnormal or audio volume changes.
From main menu->Setup->Event->Audio detect, you can see an interface shown as in Figure 4-61.

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.
For detailed setups, please refer to chapter 4.8.3.1.1 motion detect for detailed information.
Figure 4-60
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