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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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