The invention relates to a communication system with system components for ascertaining the authorship of a communication contribution (40, 41) put in into a communication end device through ;evaluation of a video signal by pattern recognition, and/or ;speaker identification through evaluation of an audio signal, and/or ;determination of a relative position of the author (50) among communication participants registered as participants (50, 61 to 66) using said communication end device. ;In addition to the authorship of a contribution (40, 41), the mood of the author (30, 31, 50) may also be determined. The communication system is constructed such that it represents a contribution (40, 41) in a manner which characterizes the author (30, 31, 50) of the contribution (40, 41) and/or his/her mood.
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