Configuring Video Analytics Settings
57
Figure 7-6 Audio Detection
Table 7-4 Scene Change Configurations
Parameter Function
Enable Input
Abnormality
Select Enable Input Abnormal and it will trigger alarms when it detects
audio input abnormity.
Enable Intensity
Change
Select Enable Intensity Change and it will trigger alarms when it detects
that audio intensity change exceeds the threshold.
Sensitivity
Drag the slider to adjust the sensitivity value. The default value is 50.
When the input volume change exceeds continuous environment
volume, it can be judged as audio abnormity. You need to adjust it
according to the actual environment test.
Threshold
Drag the slider to adjust the threshold value. The default value is 50. If
the environmental noise is too big, then the value needs to be set
higher. You need to adjust it according to the actual environment test.
Alarm Period
The audio detection function is activated during the specified period.
See Configuring the Alarm Period on page 51.
You can configure up to six periods per day. Select a date. If you do not
select a date, the current setup will be applied to today only. You can
select All to apply the alarm period to the whole week.