HIKVISION IDS-2CD7546G0-IZHSY 8-32 MM, User Manual, Page: 48 / 112

Network Camera User Manual
UM Network Camera User Manual 071421NA 48
6.2.1 Detect Audio Exception
Audio Exception Detection 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 : Detects sudden loss of audio track.
• Sudden Increase of Sound Intensity Detection
: Detects 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 according to different models.
6.2.2 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 defocus image can trigger the alarm. You can
adjust the value according to the actual environment.
4. For the linkage method settings, refer to
Linkage Method Settings.
5. Click Save .
NOTE:
The function is supported only by certain models. The actual display varies by model.