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Parameter Description
Bit Rate Type
Select a control mode for bit rate of video.
CBR: The bit rate changes little and keeps close to the defined bit rate value.
VBR (Variable Bit Rate): The bit rate changes along with environment.
It is recommended to select CBR when there might be only small changes in
the monitoring environment, and select VBR when there might be big
changes in the monitoring environment.
The main stream is fixed to VBR.
Quality
This parameter can be configured only when the Bit Rate Type is set as VBR.
Select the image quality level. There are six levels in total. The higher the value,
the better the image will become.
Bit Rate(KB/S)
Configure the encode value for main stream and sub stream.
When CBR is selected, select the bit rate according to the reference bit rate,
and the bit rate changes along the configured value.
When VBR is selected, select the upper limit value of bit rate according to the
reference bit rate, and the bit rate changes along with the monitoring
environment. But the maximum bit rate value changes around the configured
value.
Select Customized, and you can configure bit rate value manually.
Reference Bit
Rate
The system recommends the optimal bit rate range according to the resolution
and frame rate settings.
Audio Enable
Click More to enable the audio.
If the corresponding check box is selected, the video recordings are audio and
video combined streams.
Compression
Select an audio encode format.
The parameters might be different depending on the model you purchased, and
the actual product shall prevail.
Audio Source Source of audio.
Watermark
Select the Watermark check box to verify whether the recorded video is falsified.
Watermark
String
Enter the strings for verifying watermark. The default string is DigitalCCTV. You
can configure at most 127 watermark characters which are composed of number,
letter, underline and dash.
Click OK.
5.4.2.2 Snapshot
You can configure the snapshot settings such as snapshot type, image size, quality, and interval.
Select Figure> Camera > Encode > Snapshot.
The Snapshot interface is displayed, see Figure 5-25.
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