Audio exception detection function detects the abnormal sound in the surveillance scene, such as the sudden increase/decrease of the sound intensity, and some certain actions can be taken as 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.
Note
● The lower the sensitivity is, the more significant the change should be to trigger the detection.
● The sound intensity threshold refers to the sound intensity reference for the detection. It is recommended to set 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.