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35
Parameter Description
Quality
This parameter can be configured only when the
Bit Rate Type
is set
as
VBR
.
The better the quality is, but the bigger the required bandwidth will
be.
Reference Bit Rate
The most suitable bit rate value range recommended to user
according to the defined resolution and frame rate.
Bit Rate
This parameter can be configured only when the
Bit Rate Type
is set
as
CBR
.
Select bit rate value in the list according to actual condition.
I Frame Interval
The number of P frames between two I frames, and the
I Frame
Interval
range changes as
FPS
changes.
It is recommended to set
I Frame Interval
twice as big as
FPS
.
SVC
Scaled video coding, is able to encode a high quality video bit
stream that contains one or more subset bit streams. When sending
stream, to improve fluency, the system will quit some data of related
lays according to the network status.
●
1: The default value, which means that there is no layered
coding.
●
2, 3 and 4: The lay number that the video stream is packed.
Watermark
You can verify the watermark to check if the video has been
tampered.
Watermark String
Step 4 Click
Apply
.
4.3.3.2 Configuring Overlay
Configure overlay information, and it will be displayed on the
Live
page.
4.3.3.2.1 Configuring Privacy Masking
You can enable this function when you need to protect the privacy of some area on the image.
Step 1 Select >
Camera
>
Encode
>
Overlay
.
Step 2 Select the channel.
●
Select
1
in
Channel
to set the parameters of visible channel.
●
Select
2
in
Channel
to set the parameters of thermal channel.
Step 3 Click the
Privacy Masking
tab.
Step 4 Click next to
Enable
.
Step 5 Click
Add
, and then drag the block to the area that you need to cover.
●
You can draw four blocks at most.
●
Click
Clear
to delete all the area boxes; you can also just select one block, and click
to delete it.
Step 6 Adjust the size of the rectangle to protect the privacy.
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