Research on Audio-video Quality Evaluation System of Video Conferencing System

Audio-video quality evaluation is the key and difficult point of construction of video conference system and user experience.This paper analyzes the key technologies of video conference and systematically summarizes the key factors that influence the audio-video quality.And a novel quality evaluation system is proposed to evaluate network coding bit stream,reconstruction of audio-video stream and audio-video quality in the conference hall separately.The new system can be used for various construction of video conference system.