Dahua NVR41-4KS2 Series, Руководство пользователя

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User's Manual
153
Parameter Description
Type
●
Main Stream: In the Type list, select General , MD (Motion Detect),
or Alarm .
●
Sub Stream: This setting is not configurable.
Compression
In the Compression list, select the encode mode.
●
H.265: Main profile encoding. This setting is recommended.
●
H.264H: High profile encoding. Low bit stream with high definition.
●
H.264: Main profile encoding.
●
H.264B: Baseline profile encoding. This setting requires higher bit
stream compared with other settings for the same definition.
Resolution
In the Resolution list, select resolution for the video.
The maximum video resolution might be different dependent on your
device model.
Frame Rate (FPS)
Configure the frames per second for the video. The higher the value is,
the clearer and smoother the image will become. Frame rate changes
along with the resolution.
Generally, in PAL format, you can select the value from 1 through 25; in
NTSC format, you can select the value from 1 through 30. However, the
actual range of frame rate that you can select depends on the
capability of the Device.
Bit Rate Type
In the Bit Rate Type list, select CBR (Constant Bit Rate) or VBR
(Variable Bit Rate). If you select CBR , the image quality cannot be
configured; if you select
VBR
, the image quality can be configured.
Quality
This function is available if you select VBR in the Bit Rate List.
The bigger the value is, the better the image will become.
I Frame Interval The interval between two reference frames.
Bit Rate (Kb/S)
In the Bit Rate list, select a value or enter a customized value to
change the image quality. The bigger the value is, the better the image
will become.
Step 3 Click More .
The
More
interface is displayed. See Figure 4-51.