telepresence images

Multiple Screens Are Essential

Rather than squeezing everyone onto one screen, telepresence uses multiple screens on the long side of a conference table. In this TANDBERG system, the cameras are on top, and the speakers are below at each end. When participants in the center talk, both speakers simulate a center channel. The bottom screen is used for the data channel (see H.239). (Image courtesy of TANDBERG, www.tandbergusa.com.)

Totally Immersive

A far cry from the videoconferencing rooms of the 1980s, Polycom's RPX systems are used for classroom training and large meetings. This self-contained system uses four rear-projection monitors stitched together to create a 16 x 4 foot display for up to 28 people. The cameras are behind the screen at eye level, and the speakers are at the sides and top. (Image courtesy of Polycom, Inc, www.polycom.com)

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