Sudden Scene Change Detection - HIKVISION DS-9608NI-I8 User Manual

Network Video Recorder User Manual
1) Select the Exception Detection tab.
2) Check the Audio Loss Exception, Sudden Increase of Sound Intensity Detection,
Audio Loss Exception: Detects a steep sound rise in the surveillance scene. You can set
the detection sensitivity and threshold for steep sound rise by configuring its Sensitivity
and Sound Intensity Threshold.
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Sudden Decrease of Sound Intensity Detection: Detects a steep sound drop in the
surveillance scene. You need set the detection sensitivity [1-100].
Step 6 Set the arming schedule. Refer to Chapter 12.1 Configuring Arming Schedule.
Step 7 Set the linkage actions. Refer to Chapter 12.2 Configuring Alarm Linkage Actions.
Step 8 Click Apply.

13.10 Sudden Scene Change Detection

Purpose
Scene change detection detects the change of the surveillance environment affected by
external factors such as intentional rotation of the camera.
Step 1 Go to System > Event > Smart Event.
Step 2 Click Sudden Scene Change.
UM NVR v4.xx 111717NA
and/or Sudden Decrease of Sound Intensity Detection checkbox(es).
Sensitivity: The smaller the value, the more severe the change must be to trigger the
detection. Range [1-100].
Sound Intensity Threshold: It can filter the sound in the environment. The louder the
environment sound, the higher the value should be. Adjust it according to the
environment. Range [1-100].
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