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degree of similarity to the background image. Usually, when the sensitivity is high, a very small
object taken from the region can trigger the alarm.
‒
Up to 4 rules can be configured.
10.13 Audio Exception Detection
This function may not be available in every recorder model.
The Audio Exception Detection function detects any abnormal sounds in the surveillance scene,
such as the sudden increase/decrease of the sound intensity, and certain actions can be taken
when the alarm is triggered.
Note:
The Audio Exception Detection is supported by all analog channels.
Steps:
1.
Go to
Menu > Camera > VCA
.
2.
Select the camera to configure the VCA.
You can check the checkbox of
<Save VCA Picture> to save the captured pictures of the VCA
detection.
3.
Select the VCA detection type called <Audio Exception Detection>.
4.
Click to configure the t<Trigger Channel>, the <Arming Schedule>, <Linkage Action> and
<PTZ Linking> for the audio exception alarm.
5.
Click the
<Rule Settings> button to set the audio exception rules.
Set Audio Exception Detection Rules
1)
Check the checkbox for <Audio Loss Exception> to enable the audio loss detection
function.
