iDS-2CD7xxG0-xxxxx Network Bullet Camera User Manual
UM iDS-2CD7xxG0-xxxxx 021021NA 45
Detect Audio Exception
Audio exception detection function detects the abnormal sound in the surveillance scene such as the
sudden increase/decrease of the 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 of sound intensity.
Sensitivity and Sound Intensity Threshold are configurable.
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 detection. It is
recommended to set it to the average sound intensity in the environment. The louder the
environment sound, the higher the value should be. 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.
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 is, 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.
The function is supported only by certain models. The actual display varies with models.
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