These products are used in studio production and practically preserve the original image quality. It can be done with coaxial cables or optical fibers if the distance is too long. In both cases, the video signal is kept in its analog form. If a gigabit ethernet is available, the live signal from the operating room could be sent via the network to any desired location in the building. Yes, but not over a conventional phone line.
Connections fast enough to transmit compressed HD video are currently available.
Recorded or live surgery could therefore be presented during a conference in a different city, or to a class lecture hall at a remote university. DVD-Video does not currently support HDTV video content. All Rights Reserved.