It is the ability to have a 2-way conversation with real-time picture and audio. You would be looking at a camera mounted on a large TV and the people receiving the transmission would see you looking at them through the TV similar to having a conversation with someone through a window.
A videoconference or videoteleconference is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously. It has also been called visual collaboration and is a type of groupware . It differs from videophone in that it is designed to serve a conference rather than individuals
Using a camera, microphone, monitor, and a videoconference codec (compressor - decompressor) at each location, you are able to participate in live, interactive videoconferences with other sites with similar equipment. Each sites' codec is connected to other sites using digital transmission systems, such as ISDN (dial-up digital phone lines) or the Internet (WiscNet, Internet2 or your local area network).
Once you determine that videoconferencing is for you, you need to be aware that it is not currently a "plug-and-play" technology. You must plan for your deployment, whether it be for one room or many. You need to include input from potential users and work with your IT and DE support staff in your planning. Discuss potential upgrades to your connection to the Internet with WiscNet if using H.323
If you adopt H.320 using ISDN lines, you will need to work with your phone company to order these.
some applications that work well with videoconferencing
Distance education often comes to mind first when considering the former situation, but several other existing types of communications can also be enhanced or extended. These include organizational and cross-organizational meetings, counseling, foreign language and cultural exchanges, and telecommuting. Communication is already occurring in each of these applications, but could be made more compelling, more effective, or less expensive through the use of videoconferencing.
It has been used to observe wildlife in their natural habitat, to establish interactive surveillance and security, and, combined with micro-instrumentation, to observe inside the human body.
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