Audio Exception Detection - HIKVISION DS-7716NXI-I4/16P/4S User Manual

DS-77xxNXI-I4/16P/4S NVR User Manual
3. Select a Camera to configure.
4. Check Enable Object Removable Detection.
5. (Optional) Check Save VCA Picture to save the captured object removable detection pictures.
6. Follow the steps to set the detection rules and detection areas.
1) Select an Arming Region to configure. Up to four regions are selectable.
2) Drag the sliders to set Time Threshold and Sensitivity.
•
Time Threshold: The time the objects were 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. If the sensitivity is high, a very small
object taken from the region will trigger an alarm.
3) Click Draw Region, and draw a quadrilateral in the preview window by specifying four vertexes of
the detection region.
7. Set the arming schedule. Refer to
8. Set the linkage actions. Refer to
9. Click Apply.
12.10

Audio Exception Detection

Purpose
Audio exception detection detects abnormal sounds in the surveillance scene such as a sudden
increase/decrease in sound intensity.
1. Go to System > Event > Smart Event.
2. Click Audio Exception.
UM DS-77xxNXI-I4/16P/4S 050619NA
Chapter 11.1 Configure Arming Schedule
Chapter 11.2 Configure Alarm Linkage Actions
.
.
128