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Dahua Network Video Server
User’s Manual
29
Figure 4-24
Please refer to the following sheet for detailed information.
Parameter
Function
Channel
Please select a channel from the dropdown list.
SVC
SVC is so called scaled video coding. Check the box to enable
this function. During the network transmission process, system
discards unimportant frames when the bandwidth is not
sufficient or the decode capability is low. It is to guarantee video
quality and transmission fluency.
Video enable
Check the box here to enable extra stream video. This item is
enabled by default.
Code stream
type
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 (ACF). 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.
Smart Codec
Select Start from the dropdown list to enable smart codec
function. The NVS can auto reduce the video bit stream of the
non-important surveillance object to save the storage space.
Please note this function is for main stream only.