Audio Exception Detection

Audio exception detection detects abnormal sounds in the scene, such as a sudden increase/decrease in sound intensity.

1. Go to Smart Analysis > Smart Event Settings > Other Events.
2. Select a camera.
3. Click Audio Exception.
   Figure 1 Audio Exception Detection
4. Optional: Check Save VCA Picture to save the captured audio exception detection pictures.
5. Set the detection rules.
   1. Select Exception Detection.
   2. Check Audio Loss Exception, Sudden Increase of Sound Intensity Detection, and/or Sudden Decrease of Sound Intensity Detection.

      Audio Loss Exception

      Detects a steep sound rise in the scene. Set Sensitivity and Sound Intensity Threshold for the steep sound rise.

      Sensitivity

      The smaller the value is, the more severely the change would trigger the detection. Range [1-100].

      Sound Intensity Threshold

      It can filter 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 Detection

      Detects a steep sound drop in the scene. Detection sensitivity [1-100].

6. Set the arming schedule. Refer to Configure Arming Schedule.
7. Set the linkage actions. Refer to Configure Linkage Actions.
8. Click Apply.