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Network Camera User’s Guide
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GOP Control:
Defines the Intra/Inter-frame (I/P) ratio of this profile. For example, set the GOP to 30, then
the video stream will have one Intra-frame every 30 frames.
Multicast:
Enable or disable the multicast function.
Multicast Video:
IP address and port for multicast video streaming of the selected profile.
Multicast Audio:
IP address and port for multicast audio streaming of the selected profile.
Time to live:
Time to live (TTL) is a mechanism that limits the lifespan of data in a computer or network.
Once the prescribed event count or time span has elapsed, data is discarded. TTL prevents a
data packet from circulating indefinitely.
Always Enable Multicast:
Multicast streaming is always enabled or by request.
Warning!!!
To enable the multicast streaming, you shall make sure your Intranet does
support multicast function. Otherwise, your Intranet may occur network storm
seriously.
6.1.4.3 ROI
ROI means Region of Interest. This feature is available in 1.3M resolution only. Use this page
to specify location of ROI windows.