Dahua ARC6416C series, User Manual

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reference stream values.
Resolution
Video resolution. The maximum resolution of different devices may be
different, please refer to the actual interface.

The main stream resolution types are 1920 * 1080 (1080p),
1280 * 1024 (SXGA), 1280 * 960 (1.3M), 1280 * 720 (720P), 704 * 576
(D1).

The auxiliary stream resolution type is 704 * 576 (D1), 352 *
288 (CIF).
Frame rate The number of frames per second video included. The higher the frame rate,
the more realistic and smooth the image. The frame rate varies depending on
the resolution.
Stream
control
Video stream control mode.

Limited stream: the stream is a fixed value.

Variable bit stream: the stream will change with the scene and
so on.
Note:
When Encoding Mode is set to MJPEG, the bit stream control mode can only
be fixed code stream.
Code
stream
value

Main stream: set the stream value to change the quality of
picture quality, the higher the code value, the better picture
quality. The reference code stream value provides the best reference
range.

In the fixed picture stream mode, the code stream value is the
upper limit of the code stream; under the dynamic picture, if
necessary, by reducing the frame rate and picture quality to ensure
that the code stream does not exceed this value; in the variable bit
stream mode, the value does not make sense.
Reference
code stream
value The best code stream range recommended to the user according to the
resolution and frame rate user configured.
Enable
audio Select the check box indicates that the feature is enabled. When audio is
enabled, the recording file is an audio / video composite stream.
Note:
Video Enable must be selected first before enable audio in Sub Stream.
Chart 6-2
Step 3. Click OK.
6.1.2.2 Snapshot
Step 1. Select Setup>Camera>Encode>Snapshot. See Figure 6-4.