User Manual
Table Of Contents
- Chapter 1 Introduction
- Chapter 2 Getting Started
- 2.1 Device Startup and Activation
- 2.2 Using Wizard for Basic Configuration
- 2.3 Adding and Connecting the IP Cameras
- Chapter 3 Live View
- Chapter 4 PTZ Controls
- Chapter 5 Recording and Capture Settings
- 5.1 Configuring Parameters
- 5.2 Configuring Recording and Capture Schedule
- 5.3 Configuring Motion Detection Recording and Capture
- 5.4 Configuring Alarm Triggered Recording and Capture
- 5.5 Configuring VCA Event Recording
- 5.6 Manual Recording and Continuous Capture
- 5.7 Configuring Holiday Recording and Capture
- 5.8 Configuring Redundant Recording and Capture
- 5.9 Configuring HDD Group for Recording and Capture
- 5.10 Files Protection
- Chapter 6 Playback
- 6.1 Playing Back Record Files
- 6.2 Auxiliary Functions of Playback
- Chapter 7 Backup
- Chapter 8 Alarm Settings
- Chapter 9 POS Configuration
- Chapter 10 VCA Alarm
- 10.1 Face Detection
- 10.2 Vehicle Detection
- 10.3 Line Crossing Detection
- 10.4 Intrusion Detection
- 10.5 Region Entrance Detection
- 10.6 Region Exiting Detection
- 10.7 Unattended Baggage Detection
- 10.8 Object Removal Detection
- 10.9 Audio Exception Detection
- 10.10 Sudden Scene Change Detection
- 10.11 Defocus Detection
- 10.12 PIR Alarm
- Chapter 11 VCA Search
- Chapter 12 Network Settings
- Chapter 13 RAID
- Chapter 14 HDD Management
- Chapter 15 Camera Settings
- Chapter 16 NVR Management and Maintenance
- Chapter 17 Others
- Chapter 18 Appendix
Network Video Recorder User Manual
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Step 3 Select the VCA detection type to Audio Exception Detection.
Step 4 Click to configure the trigger channel, arming schedule and linkage action for the face
detection alarm.
Step 5 Click the Rule Settings button to set the audio exception rules.
Figure 10-10 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.
Step 6 Click Apply to activate the settings.
10.10 Sudden Scene Change Detection
Purpose:
Scene change detection function detects the change of surveillance environment affected by the
external factors; such as the intentional rotation of the camera, and some certain actions can be
taken when the alarm is triggered.