Video conference control system using an integrated services dig

Television – Two-way video and voice communication – User positioning

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Details

348 17, 379202, 379 9328, 379 9321, H04N 715

Patent

active

059366621

ABSTRACT:
A multipoint video conference control system for controlling a video conference system by simultaneously connecting three or more video terminals using an ISDN includes a main controller having main speaker's channel information and specific channel information received from a chair terminal, a MVIP bus for synchronously transmitting/receiving data and a control signal, an H.221 multiplexer for synchronizing a phase detected to H.221 frame synchronization from the data received through the MVIP bus and separating the data to audio and video signals, a video processor for transmitting the separated video signal to a terminal according to an audio level or processing the separated video signal by a video split screen, and an audio processor for selecting terminals of a prescribed number having the loudest voice to sum corresponding audio data or processing conference data per group.

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