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Introduction to SNG and ENG Microwave by Jonathan Higgins

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Video-conferencing and videophones

Video-conferencing is the technique for enabling two-way video, audio and data signals, at relatively low quality, to be used for live interaction over a communications circuit. Video-conferencing is used either on a one-to-one basis, or by groups of people who gather in a specific setting (often a conference room) to communicate with others. As mentioned earlier, we have seen the development of ruggedized video-conferencing units designed for newsgathering to be used in the field – the videophone.

Videophones

The videophone is essentially a video-conferencing unit adapted for field use. Certainly, the quality of transmission cannot match normal SNG equipment, but the videophone’s key advantage is that it is ...

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