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54 | Performance Series IP Cameras User Guide
Parameter
Enable
Code-stream Type
Encoder Mode
Resolution
Sub Stream
Frame Rate
Bit Rate Type
Recommended Bit
Rate
Bit Rate
I Frame Interval
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Table 3-7
Video Bit Stream Configurations
Function
Click the check box to enable the extra stream.
This function is enabled by default.
General bit stream.
Select from three options for Encoder Mode: H.264 (main profile standard),
H.264H (high profile standard), and MJPEG mode.
The H.264 and H.264H are both H264 bit stream and H.264 is the main
encoding mode. You need to enable the sub stream function in your camera
and set the resolution as CIF. Then you can use a Smartphone or tablet
computer application to monitor the NVR.
MJPEG: In this encoder mode, the video needs a larger bit stream to
guarantee the video definition. You can use the maximum bit stream value
in the reference bit rate to get better video output.
There are multiple resolutions to select from the drop-down list. The
recommended bit stream value is different for each resolution.
PAL: 1~25f/s; NTSC: 1~30f/s.
The frame rate can vary due to different resolutions.
Select either VBR or CBR.
Note
You can select the video quality in VBR mode. The value ranges from
1 to 6.
Recommended bit rate value according to the resolution and frame rate you
have set.
In CBR, the bit rate here is the maximum value. In dynamic video, the
system needs a lower frame rate or lower video quality to guarantee the
quality.
Set the P-frame amount between two I frames. The value ranges from 25 to
150. The default is 50.
The recommended value for Frame Rate is *2.
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