Video device Management
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Parameter
Description
Collection frame rate
Frame rate of collection acquisition, it can be a higher value if the network
conditions are much better; otherwise, please set a lower value.
Code rate
Video rate after compression, depending up network bandwidth
Key frame interval
Frame interval for sending complete information frames, if there is high
requirement for video quality and the network conditions are good, reduce the
key frame interval appropriately.
Bit rate control
CBR provide constant bit rate while variable for VBR
MAX. Quantization
Modify the parameter when video quality reduces caused by network unstable.
MIN. Quantization
Modify the parameter when video quality reduces caused by network unstable.
4.4.4 Minor stream
Minor stream is a stream which is the same source with the main stream but different resolution output to
support displays.
Set the parameter according to the main video ENC as subsection 4.4.3.
4.4.5 Motion Detection
Parameter
Description
Enable motion
detection
If this check box is selected, motion detection is enabled; if not, motion
detection is disabled.
Detection sensitivity
The higher the sensitivity, the more sensitive to change of video, and vice
versa
Detection
area
All area
All areas of the video area
Assigned
area
Edit a selected area as a detection area. Set the area first and then set its
detection sensitivity.
Edit of detection area: draw a rectangular frame on the screen area, and the
area inside the frame is the selected or cancelled area. If the original
coordinate of the rectangular frame is in selected status, the rectangular
frame is selected. If not, it is not a selected area.
4.4.6 Image Shade
Image Shade refers that shade some sensitive parts of the image with mosaic, which features needs the
Summary of Contents for NVR2820L
Page 1: ...NVR Administrator Guide...
