发明名称 MULTI-POINT VIDEO CONFERENCE CONTROLLER AND VIDEO PACKET TRANSMISSION METHOD
摘要 PROBLEM TO BE SOLVED: To provide a multi-point video conference system that effectively switches images at a low cost. SOLUTION: Discriminating number of effective voice packets not silent packets per time received from each video conference terminal connected to a multi-point video conference controller detects a talker terminal and the detected talker terminal acting like a sender source video phone terminal delivers a selected image video packet to all video conference terminals.
申请公布号 JP2002223422(A) 申请公布日期 2002.08.09
申请号 JP20010020242 申请日期 2001.01.29
申请人 NEC CORP 发明人 KATO TATSUYA
分类号 H04N7/15;G10L11/02;G10L19/00;H04L12/18;H04M3/56;H04M11/00 主分类号 H04N7/15
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