Network Video Recorder User Manual
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1)
Select an Arming Region to configure. Up to 4 regions are selectable.
2)
Drag the sliders to set Time Threshold and Sensitivity.
Time Threshold: The time of the objects removed from the region. If the value is 10,
alarm is triggered after the object disappeared from the region for 10s. Its range is
[5s-20s].
Sensitivity: The similarity degree of the background image. Usually, when the sensitivity is
high, a very small object taken from the region can trigger the alarm.
3)
Click Draw Region and draw a quadrilateral in the preview window by specifying four
vertexes of the detection region.
Step 7
Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Step 8
Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Step 9
Click Apply.
12.9 Audio Exception Detection
Purpose:
Audio exception detection detects the abnormal sounds in the surveillance scene, such as the
sudden increase/decrease of the sound intensity.
Step 1
Go to System > Event > Smart Event.
Step 2
Click Audio Exception.
Figure 12-9
Audio Exception Detection
Step 3
Select a Camera to configure.
