HIKVISION IDS-2CD7A46G0-IZHSY 8-32, User Manual, Page: 45 / 90

Network Camera User Manual
UM Network Camera 072221NA 45
6.2 Smart Event
NOTE:
For certain device models, you need to enable the smart event function on the
VCA
Resource page first to show the function configuration page.
The function varies by model.
Detect Audio Exception
Detects abnormal sound in the surveillance scene such as the sudden increase/decrease in sound
intensity, and certain actions can be taken in response.
Steps
1. Go to Configuration → Event → Smart Event → Audio Exception Detection .
2. Select one or several audio exception detection types.
•
Audio Loss Detection
: Detect sudden loss of audio track.
• Sudden Increase of Sound Intensity Detection : Detect sudden increase in sound intensity.
Sensitivity and Sound Intensity Threshold are configurable.
NOTE: The lower the sensitivity, the more significant the change must be to trigger the
detection.
The sound intensity threshold refers to the sound intensity reference for the
detection. It is recommended to set it as the average sound intensity in the
environment. The louder the environment sound, the higher the value should be. You
can adjust it according to the real environment.
•
Sudden Decrease of Sound Intensity Detection
: Detect sudden decrease of sound intensity.
Sensitivity is configurable.
3. Refer to
Set Arming Schedule
for setting scheduled time. Refer to
Linkage Method Settings
for setting
linkage methods.
4. Click
Save
.
NOTE:
The function varies by model.
Set Defocus Detection
A blurred image caused by lens defocus can be detected. If it occurs, the device can take linkage actions.
Steps
1. Go to Configuration → Event → Smart Event → Defocus Detection .
2. Check Enable .
3. Set
Sensitivity
. The higher the value, the more easily the defocused image can trigger the alarm. Adjust