Audio Exception Detection - HIKVISION LTN07128/256 User Manual

7. Set the arming schedule. Refer to Configure Arming Schedule.
8. Set the linkage actions. Refer to Configure Linkage Actions.
9. Click Apply.

6.2.15 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 Smart Analysis → Smart Event Settings → Other Events.
2. Select a camera.
3. Click Audio Exception.
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. Set Sensitivity and Sound Intensity
Threshold for the steep sound rise.
Sensitivity
The smaller the value is, the more severer the change would trigger the detection. Range
[1-100].
Sound Intensity Threshold
It can filter the sound in the environment. The louder the environment sound is, the higher
the value should be. Adjust it according to the environment. Range [1-100].
Network Video Recorder User Manual
Figure 6-16 Audio Exception Detection
67