Video conferencing

<communications> A discussion between two or more groups of people who are in different places but can see and hear each other using electronic communications.

Pictures and sound are carried by the telecommunication network and such conferences can take place across the world.

To overcome the bandwidth and latency limitations of current networks (especially the PSTN), some form of video compression is often used.

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video adapter video card Video Compact Disc video compression video conference	Computer Mediated Communication electronic commerce H.261 High Speed Circuit Switched Data Internet Research Task Force	video dial tone video display terminal Video Electronics Standards Association Video Graphics Adapter Video Graphics Adaptor