Installation Manual

5.3.1 Detecting Audio Exception
Note:
The function is only supported by certain camera models.
Purpose:
When you enable this function and audio exception occurs, the alarm actions will be triggered.
Steps:
1. Enter the video audio exception detection interface:
Configuration > Event > Smart Event > Audio Exception Detection
Figure 5-17 Audio Exception Detection
2. Check the checkbox of Audio Loss Detection to enable the audio input exception detection.
3. Check the checkbox of Sudden Increase of Sound Intensity Detection checkbox to enable
the sudden rise detection.
 Sensitivity: The smaller the value the more obvious sound change will trigger the
detection.
 Sound Intensity Threshold: It can filter the sound in the environment, the louder the
environment sound, the higher the value should be. You can adjust it according to the
actual environment.
4. Check the checkbox of Sudden Decrease of Sound Intensity Detection checkbox to enable
the sudden drop detection.
Sensitivity: The smaller the value the more obvious sound change will trigger the detection.
5. Click tab to enter the Arming Schedule setting interface. The time schedule
configuration is the same as the settings of the arming schedule for motion detection. Refer
to Section 5.2.1 Configuring Motion Detection for more details.
6. Click tab to select the linkage method taken for the audio input exception,
Send Email, Notify Surveillance Center, Trigger Alarm Output and Trigger Recording are