Face Detect (Optional); Audio Detect (Optional) - Dahua 41HS-W-S2 Series User Manual

4.13.3 Face Detect (Optional)

Please make sure you are connecting to the smart network camera, otherwise you can not
use IVS function!
When camera detects human face, system can generate an alarm.
From main menu->Setting->Event->Face detect, the interface is shown as in Figure 4-107.

Face ROI: Check the box here, system can enhance the human face display pane.

Log: Check the box here, system can record face detect log.
You can refer to the chapter 4.13.2.1 t to set other parameters.

4.13.4 Audio Detect (Optional)

Please make sure you are connecting to the smart network camera, otherwise you can not
use IVS function!
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 4-108.

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 vol ume
becomes strong.

Sensitivity: It refers to the audio recognition sensitivity. The higher the value is, the higher the
sensitivity is.
Figure 4-107
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