LAN island-type SD video systems are evolving in two directions, one is a LAN HD video system, and the other is the Internet and mobile Internet SD video systems. This requires that the new generation of video systems must take into account high SD resolutions and support multiple Streaming and multi-protocol, support live, recording and on-demand applications across LAN, Internet and mobile Internet.
The Internet has completely changed the way people live and communicate. From Web1.0 to Web2.0 to search engines, people can first obtain text and image information through the Internet.
In recent years, you can also obtain video file information via the Internet and share your uploaded video clips with others, such as Tudou, Youku, etc. It is foreseeable that in the near future, online real-time video information will be obtained via the Internet or published for sharing Online real-time video information will become a new market growth point.
Web-based real-time video applications have been active in the traditional vertical industry market. Network video is an ancient but challenging technical field:
The video conference system is born to meet the multi-point full-duplex video communication. The video conference camera, video conference terminal and multi-point access unit constitute a multi-point video duplex communication system. People can use special systems and dedicated networks to go to different places. Convening a meeting, the emergence of such a system, can shorten the cost of people going to meetings in different places, reduce the frequency of travel, and shorten the decision-making time. Such as Polycom's video conferencing system, Cisco's telepresence system are all such systems;
The video surveillance system is born to meet the simultaneous viewing of multiple remote video information. Through the network camera, storage server and forwarding server, a typical video surveillance system can be constructed. Through the client or the video wall of the monitoring center, it can be simultaneously Watch the video information of multiple off-site spaces, used in emergency command, security monitoring, intelligent transportation and other occasions;
The video recording and live broadcast system is a system that was born to satisfy multiple users watching one or several video sources at the same time. The camera, recording server and client can construct a typical video recording and live broadcast system. Multiple clients You can log in to the recording server at the same time to watch online video or on-demand video. This system is mainly used in recording classrooms in the education industry, digital operating rooms in the medical industry, and digital court trials in the public prosecution law industry.
The models abstracted by the above three typical systems are: look at more points, look at more points, and look at more points. In order to meet the technical needs of these three basic models and the technical needs of integrating the Internet, a device is needed. , Can not only apply the existing system, but also support the application on the Internet, so that the integrator's existing services can be upgraded to high-definition video in a private network with a private protocol, and can use Flash streaming technology to comprehensively and quickly advance to the Internet market.
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