STUDY AND ASSESSMENT OF SEVERAL FACTORS INFLUENCING  VIDEO TRANSMISSION QUALITY USING WEBRTC

Đinh Xuân Lâm; Hà Mỹ Trinh; Tạ Thị Thảo; Đỗ Thị Phượng; Nguyễn Toàn Thắng

doi:10.34238/tnu-jst.5061

STUDY AND ASSESSMENT OF SEVERAL FACTORS INFLUENCING VIDEO TRANSMISSION QUALITY USING WEBRTC

About this article

Received: 18/09/21 Revised: 11/11/21 Published: 15/11/21

Authors

1. Dinh Xuan Lam , TNU - University of Information and Communication Technology
2. Ha My Trinh, TNU - University of Information and Communication Technology
3. Ta Thi Thao, TNU - University of Information and Communication Technology
4. Do Thi Phuong, TNU - University of Information and Communication Technology
5. Nguyen Toan Thang, TNU - University of Information and Communication Technology

Abstract

Web Real-Time Communications (WebRTC) is an open-source standard that aims to provide rich and high-quality real-time communication over the Internet. This work focuses on the study, analysis, and evaluation of three factors that influence the quality of video and audio transmission using WebRTC. These influencing factors include synchronization, stability, and quality of the video. The author uses an experimental method with a WebRTC server that provides a free online video conferencing service, and the clients are simulated on the Google cloud environment, the network in between is emulated to evaluate the influence of network QoS on the video transmission quality. The results show that the synchronization of audio and video is directly affected by changing the network quality of service in the peer-to-peer video media version. However, the stability and the quality of the video are less affected. The study can be used as a reference for other researchers to perform WebRTC optimization before actual implementation.

Keywords

Webrtc; P2P video; Video conferencing; Quality of experience; Quality of service

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DOI: https://doi.org/10.34238/tnu-jst.5061

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