Optiview HDVR4/8/16-Q2 User Manual page 238

Please refer to the following sheet for detailed information.
Parameter
Channel
SVC
Video enable
Code stream
type
Smart Codec
Figure 5-23
Function
Please select a channel from the dropdown list.
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
sufficient or the decode capability is low. It is to guarantee video
quality and transmission fluency.
Check the box here to enable extra stream video. This item is
enabled by default.
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.
Select Start from the dropdown list to enable smart codec
function. The DVR can auto reduce the video bit stream of the
not
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