Chapter 4 - Hardware Description
Video Module (Standard)
The Video Module performs video processing and Transcoding. The module supports the
The Video Module supports multiple sites. When using the Continuous Presence mode of operation, the Video Module combines multiple video sources to build a video layout image. Depending on the number of conference participants and the quality of the screen, the MGC supports video layout configurations of 2, 4, 9, 1+5 and others.
The Video Module performs Transcoding between different compressed video bit rates to support multiple bit rates on the same conference. The module performs Transcoding from QCIF to CIF resolution to support multiple resolution rates in the same conference.
Video Module Architecture
Figure 4-29 shows the architecture for the Video Module.
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x 6
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HDLC Interface
