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http://dx.doi.org/10.3745/KTCCS.2017.6.6.255

Improved Real-time Video Conferencing System with Memory Buffer Control Management  

Yoo, Woo Jong (대전보건대학교 컴퓨터정보과)
Kim, Sang Hyong (충남대학교 컴퓨터공학과)
Publication Information
KIPS Transactions on Computer and Communication Systems / v.6, no.6, 2017 , pp. 255-260 More about this Journal
Abstract
The limitation of real-time video conferencing system is that the delay of network and buffering and the transmission of user information are not efficiently performed between systems, so real - time performance is not guaranteed completely. In order to overcome this problem, the study on the extension of the network infrastructure and the jitter delay is actively carried out, but the study on the buffering delay is insufficient. In this paper, we propose a frame-rate control buffer management (FRCB) scheme to solve the problem caused by buffering delay. The FRCB is used to prevent overflow and underflow of the buffer by adopting the two-stage buffer threshold of Fast-play THreshold (FTH) and Slow-play THreshold (STH). Therefore, it showed better performance than jitter buffer even under high CPU load, and showed that it is suitable for high quality real time video conferencing.
Keywords
Conferencing System; Buffer Management; Frame Rate Control;
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