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Digital Network Video Surveillance System
Parameter
Main Stream
Extra Stream
Audio/Video
Resolution
Frame Rate
Bit Rate Type
Quality
Bit Rate
Recommended
Bit
Color Setting
Function
It includes main stream, motion stream and alarm stream. You can
select different encode frame rates form different recorded events.
System supports active control frame function (ASD). It allows you to
record in different frame rates.
For example, you can use high frame rate to record important events,
record scheduled event in lower frame rate and it allows you to set
different frame rates for motion detection record and alarm record.
Select extra stream if you enabled the extension stream to monitor.
For the main stream, recorded file only contains video by default. You
need to draw a circle here to enable audio function.
For extra stream, you need to draw a circle to select the video first and
then select the audio if necessary.
Main stream resolution supports D1/CIF/QCIF.
Extra stream of channel 1 to channel 4 support CIF/QCIF only.
PAL：1～25f/s；NTSC：1～30f/s
System supports various resolutions, you can select from the
dropdown list. For this model, main stream supports D1/CIF/QCIF.
Please note the resolution may vary due to different channels. The
extra stream supports QCIF/CIF.
There are two options: VBR and CBR.
Please note, you can set video quality in VBR mode only.
The value ranges from 1 to 6. The level 6 is the best video quality.
In CBR, the bit rate here is the max value. In dynamic video, system
needs to low frame rate or video quality to guarantee the value.
The value is null in VBR mode.
Please refer to recommend bit rate for the detailed information.
Recommended bit rate value according to the resolution and frame
rate you have set.
Here you can set video brightness, contrast ness, hue, saturation and
gain.
The value ranges from 0 to 100.Default value is 50. See Figure 7-27.
Please note, some series devices do not support OSD transparent
setup function.
Unisight Digital Technologies, Inc.
107
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