5. Set the detecon rules.
1) Select Excepon Detecon.
2) Check Audio Loss Excepon, Sudden Increase of Sound Intensity Detecon, and/or Sudden
Decrease of Sound Intensity
Detecon.
Audio Loss
Excepon
Detects a steep sound rise in the surveillance scene. Set Sensivity and Sound Intensity
Threshold for the steep sound rise.
Sensivity
The smaller the value is, the more severely the change would trigger the detecon. Range
[1-100].
Sound Intensity Threshold
It can
lter 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].
Sudden Decrease of Sound Intensity Detecon
Detects a steep sound drop in the surveillance scene. Detecon sensivity [1-100].
6. Set the arming schedule. Refer to Congure Arming Schedule .
7. Set the linkage
acons. Refer to Congure Linkage Acons .
8. Click Apply.
6.2.11 Defocus
Detecon
Image blur caused by lens defocus can be detected.
Steps
1. Go to Smart Analysis → Smart Event Sengs → Other Events .
2. Select a camera.
3. Click Defocus.
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