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From main menu->Setup->Event->Face detect, the interface is shown as in Figure 4-59.
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.
Figure 4-59
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 4-60.
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.