Digital Video Recorder User Manual
67
Steps:
1.
Enter the VCA settings interface.
Menu> Camera> VCA
2.
Select the camera to configure the VCA.
You can click the checkbox of
Save VCA Picture
to save the captured pictures of VCA detection.
3.
Select the VCA detection type to
Audio Exception Detection
.
4.
Click
to configure the trigger channel, arming schedule and linkage action for the face detection alarm.
5.
Click the
Rule Settings
button to set the audio exception rules.
Figure 9. 5 Set Audio Exception Detection Rules
1) Check the checkbox of
Audio Input Exception
to enable the audio loss detection function.
2) Check the checkbox of
Sudden Increase of Sound Intensity Detection
to detect the sound steep rise in
the surveillance scene. You can set the detection sensitivity and threshold for sound steep rise.
Sensitivity
: Range [1-100], the smaller the value is, the more severe the change should be to trigger the
detection.
Sound Intensity Threshold
: Range [1-100], 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 real environment.
3) Check the checkbox of
Sudden Decrease of Sound Intensity Detection
to detect the sound steep drop
in the surveillance scene. You can set the detection sensitivity [1-100] for sound steep drop.
6.
Click
Apply
to activate the settings.
