Audio Exception Detection - HIKVISION DS-7216HGHI-K1 User Manual

3) Click Draw Area and draw a quadrilateral in the preview window by specifying four vertices of
the detection region.
7. Set the arming schedule.Refer to Configure Arming Schedule.
8. Set the linkage actions. Refer to Configure Linkage Actions.
9. Click Apply.

6.2.3 Audio Exception Detection

Audio exception detection detects abnormal sounds in the surveillance scene, such as a sudden
increase/decrease in sound intensity.
Steps
1. Go to System → Event → Smart Event.
2. Click Audio Exception.
3. Select a camera to configure.
4. Optional: Check Save VCA Picture to save the captured audio exception detection pictures.
5. Set the detection rules:
1) Select Exception Detection.
2) Check Audio Loss Exception,Sudden Increase of Sound Intensity Detection,and/or Sudden
Decrease of Sound Intensity Detection.
Audio Loss Exception
Detects a steep sound rise in the surveillance scene. You can set the detection sensitivity
and threshold for steep sound rise by configuring its Sensitivity and Sound Intensity
Threshold
Sensitivity
The smaller the value, the more severe the change must be to trigger the detection. Range
[1-100].
Sound Intensity Threshold
Digital Video Recorder User Manual
Figure 6-5 Audio Exception Detection
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