发明名称 Method, hub system and terminal equipment for videoconferencing
摘要 The invention relates to method for videoconferencing, where videoconferencing signals are received as inputs of each including video- and audio streams in a plurality of downlink ports presenting participants' images and their speaking, where one participant is a speaker in turn; videoconferencing signal as an output is transmitted in an uplink port the signal including a video stream with a frame and an audio stream; participant's speaking is detected using a voice activity detection (VAD) for each communication channel; the video streams of the participants are combined into the frame according to the VAD.
申请公布号 US2006132596(A1) 申请公布日期 2006.06.22
申请号 US20040016429 申请日期 2004.12.16
申请人 NOKIA CORPORATION 发明人 AHONEN PETRI
分类号 H04N7/14 主分类号 H04N7/14
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