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| Video conferencing enables people at different locations to see and hear each other, see documents, see slides, and sometimes share access to computer applications. Each site has a video camera, video screen, and microphone and speakers. |
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| Based on a desktop computer with an audio card, speakers and a computer camera, users can share computer applications as well as see and speak to each other. This is the most common application of video. |
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| Designed for smaller groups, these systems usually have all the components assembled into a movable cart. This way the whole unit can easily be moved from one location to another as needed. |
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| Generally you'll find multi-point systems used within large corporations or specialized Video Suites. They allow independent locations to participate in the conference simultaneously. Either all participants can see one site at a time or screens may be segmented. |
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