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48 | Performance Series IR 1080p IP PTZ Camera User Guide
Table 5-9 Video Bit Stream Configurations
Parameter Function
Main Stream
Encode Mode
Select from three options for Encode Mode:
H.264: Main profile encoding mode.
H.265: Advanced profile encoding mode.
MJPEG: High quality profile encoding mode with no compression.
Resolution
You can select from multiple resolutions in the drop-down list. The
recommended bit stream value is different for each resolution.
Frame Rate (FPS) PAL: 1~50 fps; NTSC: 1~60 fps.
Bit Rate Type
Select either VBR (variable bit rate) or CBR (constant bit rate).
Note You can select the video quality in VBR mode. The value ranges from
1 to 6.
Reference Bit
Stream
Displays the Reference Bit Rate value according to the resolution and
frame rate that you have selected.
Bit Rate
With Bit Rate Type: VBR, the Bit Rate here is the maximum value. In CBR,
the bit rate is a fixed value.
See the Reference Bit Stream for a recommended value.
I Frame Interval
Set the number of P-frames between I-frames. The value ranges from 30 to
150. The default value is 50. This value is not available if MJPEG is the
selected Encode Mode.
The recommended value for
I Frame Interval
is
2 times
the frame rate setting.
SVC
Select the scalable video encoding setting from the drop-down list. Select
from 1(off), 2, or 3. 1(off) is the default setting.
Watermark
This function allows you to verify that the video has not been altered. Select
to enable the watermark function, and then type the watermark text. The
default watermark text is DigitalCCTV. The maximum length is 85 digits.
Only numbers, letters, and the underscore character (_) can be used.
Sub Stream
Enable
Click the check box to enable the secondary stream. This function is
enabled by default.
Select Sub Stream 1 or Sub Stream 2 as the stream to be make the video
setting changes to.
Encode Mode
Select from three options for Encode Mode:
H.264: Main profile encoding mode.
H.265: Advanced profile encoding mode.
MJPEG: High quality profile encoding mode with no compression.
Resolution
You can select from multiple resolutions in the drop-down list. The
recommended bit stream value is different for each resolution.
Frame Rate PAL: 1~25 fps; NTSC: 1~30 fps.
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