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Parameter
Bit Rate
I Frame
Watermark Settings
4.1.3.2 Snapshot
The snapshot interface is shown as in Figure 4- 8.
Please refer to the following sheet for detailed information.
Parameter
Snapshot type
Image size
Quality
Interval
Function
In CBR, the bit rate here is the max value. In
dynamic video, system needs to low frame rate or
video quality to guarantee the value.
The value is null in VBR mode.
Please refer to recommend bit rate for the detailed
information.
Here you can set the P frame amount between two I
frames. The value ranges from 1 to 150. Default value
is 50.
Recommended value is frame rate *2.
By calibrating watermark, to see if video is modified.
Select Watermark function. Default watermark is Digital
CCTV.
Watermark character can only be number, letter, _, -
within 128 characters.
Figure 4- 8
Function
There are two modes: general (schedule) and Event (activation).
It is the same with the resolution of snapshot (main stream or sub
stream).
It is to set the image quality. There are six levels.
It is to set snapshot frequency. Optional1~7s/picture, customized.
30
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