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26
Parameter Description
Bit Rate Type
The bit rate control type during video data transmission. You can
select bit rate type from:
●
CBR
(Constant Bit Rate): The bit rate changes a little and keeps
close to the defined bit rate value.
●
VBR
(Variable Bit Rate): The bit rate changes as monitoring
scene changes.
The
Bit Rate Type
can only be set as
CBR
when
Encode Mode
is set
as
MJPEG
.
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.
Max Bit Rate
This parameter can be configured only when the
Bit Rate Type
is set
as
VBR
. You can select the value of the
Max Bit Rate
according to
the
Reference Bit Rate
value. The bit rate then changes as
monitoring scene changes, but the max bit rate keeps close to the
defined value.
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.
●
Click to enable watermark function.
●
Enter watermark string. The string is DigitalCCTV by default.
Watermark String
Step 3 Click
Apply
.
4.3.2.2 Overlay
Configure overlay information, and it will be displayed on the
Live
page.
4.3.2.2.1 Privacy Masking
You can enable this function when you need to protect the privacy of some area on the video image.
Step 1 Select >
Camera
>
Encode
>
Privacy Masking
.
Step 2 Select
Enable
.
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