
Network Camera User’s Guide
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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.
7.1.4.3 ROI
ROI means Region of Interest. This feature is available in 1.3M resolution only. Use this page to
specify location of ROI windows.