METHOD AND APPARATUS FOR CONTINUOUSLY RECEIVING FRAMES FROM A PLURALITY OF VIDEO CHANNELS AND FOR ALTERNATIVELY CONTINUOUSLY TRANSMITTING TO EACH OF A PLURALITY OF PARTICIPANTS INA VIDEO CONFERENCE INDIVIDUAL FRAMES CONTAINING INFORMATION CONCERNING EACH OF SAID VIDEO CHANNELS

摘要

A method and apparatus (14) is provided for video conferencing. The method a nd apparatus (14) continuously receive frames (10-13) from a plurality of video channels and alternately continuously transmit to each of a plurality of participants in a video conference individual frames containing information (14A-14D) concerning each of the video channels. The method and apparatus on ly transmits at any given instant new picture data for one of the participants in the video conference.