39
NOTE!
⚫
This function is not supported by some models. Please see the actual web interface for details.
⚫
The alarm triggered actions may vary with models. Please see the actual Web interface for details.
1.
Click
Setup
>
Events
>
Common Alarm
>
Audio Detection
.
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.