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4.4 Video
This section allows you to configure Video stream settings, On screen display and Snapshot settings.
4.4.1 Video Settings
Figure 4.42
Stream type:
There are four types to identify different streams you have set.
Resolution:
The camera supports two types: 720P, VGA. The higher the resolution is, the clearer video will become. But
the code flux will become larger too, and it will take up more bandwidth.
Bit rate:
Generally speaking, the larger the bit rate is, the clearer video will become. But the bit rate configuration
should combine well with the network bandwidth. When the bandwidth is very narrow, and bit rate is large, that will lead
to video can not play well.
Frame rate:
Note that a larger frame size takes up more bandwidth. When the video format is 50Hz, the maximum
frame rate is 25 fps. When the video format is 60Hz, the maximum frame rate is 30 fps. You should lower frame rate
when the bandwidth is limited. Normally, when the frame rate above 15, you can achieve fluently video.
Key Frame Interval:
The time between last key frame and next key frame. The shorter the duration, the more likely you
will get a better video quality, but at the cost of higher network bandwidth consumption.
4.4.2 On Screen Display
This page is used to add timestamp and device name on the video.
Figure 4.43
Display Timestamp:
There are two options: Yes or NO. Select Yes and you can see the system date on the video,