User Manual

Table Of Contents
50
2. Select Enable for Audio Detection, select a detection type and set the difference or threshold. To
disable audio detection, clear the Enable check box.
The following table describes some major parameters.
Parameter
Description
Detection
Type
Sudden Rise: An alarm is reported when the rise of volume exceeds the difference.
Sudden Falls: An alarm is reported when the fall of volume exceeds the difference.
Sudden Change: An alarm is reported when the rise or fall of volume exceeds the
difference.
Threshold: An alarm is reported when the volume exceeds a threshold.
Difference
Threshold: After a volume is set as the threshold, an alarm is reported when the
threshold is exceeded.
Difference: the difference between two volumes. When the rise or fall of volume
exceeds the difference, an alarm is reported.
Note:
The scale in the audio detection area is used to measure sound volume.
Audio detection results are shown in real time. The red part indicates the reported audio
detection alarms.
Scale
Volume