Abstract
The limitation of a real-time video conferencing system is that it does not perfectly guarantee real-time transmission due to a delay in the network and buffering as well as ineffective communication of user information between systems. Studies are actively investigating the network infrastructure expansion and jitter delay in order to overcome this problem. However, there has not been much progress with respect to buffering delay. This paper suggests a Frame Rate Control Buffer (FRCB) management technique to solve problems that occur due to buffering delay. The FRCB is used to prevent buffer overflow and underflow by adopting two levels of buffer thresholds, Fast-play Threshold (FTH) and Slow-play Threshold (STH). It demonstrates superior performance compared to jitter buffer in conditions such as high CPU load, thus proving its suitability for high-quality real-time video conferencing.
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Acknowledgments
This research was supported by the MSIT (Ministry of Science and ICT), Korea, under the ITRC (Information Technology Research Center) support program (IITP-2018-2016-0-00304) supervised by the IITP (Institute for Information & communications Technology Promotion).
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Kim, S., Won, Y. (2018). Frame Rate Control Buffer Management Technique for High-Quality Real-Time Video Conferencing System. In: Park, J., Loia, V., Yi, G., Sung, Y. (eds) Advances in Computer Science and Ubiquitous Computing. CUTE CSA 2017 2017. Lecture Notes in Electrical Engineering, vol 474. Springer, Singapore. https://doi.org/10.1007/978-981-10-7605-3_124
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DOI: https://doi.org/10.1007/978-981-10-7605-3_124
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