发明名称 METHOD AND APPARATUS FOR VIDEO CONFERENCING HAVING DYNAMIC LAYOUT BASED ON KEYWORD DETECTION
摘要 In particular, the present invention provides a method and system for conferencing, including the steps of connecting at least two sites to a conference, receiving at least two video signals and two audio signals from the connected sites, consecutively analyzing the audio data from the at least two sites connected in the conference by converting at least a part of the audio data to acoustical features and extracting keywords and speech parameters from the acoustical features using speech recognition, and comparing said extracted keywords to predefined words, then deciding if said extracted predefined keywords are to be considered a call for attention based on said speech parameters, and further, defining an image layout based on said decision, and processing the received video signals to provide a video signal according to the defined image layout, and transmitting the composite video signal to at least one of the at least two connected sites.
申请公布号 US2007285505(A1) 申请公布日期 2007.12.13
申请号 US20070754651 申请日期 2007.05.29
申请人 TANDBERG TELECOM AS 发明人 KORNELIUSSEN JAN T.
分类号 H04N7/14 主分类号 H04N7/14
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