Manual
Table Of Contents
- Chapter 1 Introduction
- Chapter 2 Getting Started
- Chapter 3 Camera Management
- Chapter 4 Camera Settings
- Chapter 5 Live View
- Chapter 6 PTZ Control
- Chapter 7 Storage
- 7.1 Storage Device Management
- 7.2 Storage Mode
- 7.3 Recording Parameters
- 7.4 Configure Recording Schedule
- 7.5 Configure Continuous Recording
- 7.6 Configure Motion Detection Triggered Recording
- 7.7 Configure Event Triggered Recording
- 7.8 Configure Alarm Triggered Recording
- 7.9 Configure Picture Capture
- 7.10 Configure Holiday Recording and Capture
- 7.11 Configure Redundant Recording and Capture
- Chapter 8 Disk Array
- Chapter 9 File Management
- Chapter 10 Playback
- Chapter 11 Event and Alarm Settings
- Chapter 12 VCA Event Alarm
- 12.1 Face Detection
- 12.2 Vehicle Detection
- 12.3 Line Crossing Detection
- 12.4 Intrusion Detection
- 12.5 Region Entrance Detection
- 12.6 Region Exiting Detection
- 12.7 Unattended Baggage Detection
- 12.8 Object Removal Detection
- 12.9 Audio Exception Detection
- 12.10 Sudden Scene Change Detection
- 12.11 Defocus Detection
- 12.12 PIR Alarm
- Chapter 13 Smart Analysis
- Chapter 14 Network Settings
- Chapter 15 Hot Spare Device Backup
- Chapter 16 System Maintenance
- Chapter 17 General System Settings
- Chapter 18 Appendix
Network Video Recorder User Manual
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Step 3 Select a Camera to configure.
Step 4 Optionally, check Save VCA Picture to save the captured pictures of audio exception
detection.
Step 5 Follow the steps to set the detection rules.
4) Select the Exception Detection tab.
5) Check the checkboxes of Audio Loss Exception, Sudden Increase of Sound Intensity
Detection, or Sudden Decrease of Sound Intensity Detection.
Audio Loss Exception: Detects the sound steep rise in the surveillance scene. You can set
the detection sensitivity and threshold for sound steep rise. You need to configure its
Sensitivity and Sound Intensity Threshold.
Sensitivity: The smaller the value is, the more severe the change should 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].
Sudden Decrease of Sound Intensity Detection: Detects the sound steep drop in the
surveillance scene. You need set the detection sensitivity [1-100].
Step 6 Set the arming schedule. Refer to Chapter 11.1 Configure Arming Schedule.
Step 7 Set the linkage actions. Refer to Chapter 11.2 Configure Alarm Linkage Actions.
Step 8 Click Apply.
12.10 Sudden Scene Change Detection
Purpose:
Scene change detection detects the change of surveillance environment affected by the external
factors, such as the intentional rotation of the camera.
Step 1 Go to System > Event > Smart Event.
Step 2 Click Sudden Scene Change.