A multipoint control unit (MCU) or other digital video-processing apparatus operates to manipulate compressed digital video from several compressed digital video sources. The apparatus has a plurality of video input modules and a plurality of video output module. Each of the video input modules receives...http://www.google.es/patents/US6496216?utm_source=gb-gplus-sharePatente US6496216 - Method and system for multimedia communication control
Method and system for multimedia communication control
