Design and implementation of a teleconference system using an improved HEVC codec

Teleconferencing has become an indispensable element in any business system, because it offers the opportunity for collaborators to participate in a virtual group while remaining in divergent regions. Teleconferencing also increases productivity, minimizes travel expenses and saves travel time. This thesis presents a reliable Teleconference system that utilizes an improved high-efficiency video codec (HEVC) H.265 technology with a congestion control. The improvement is based on Coding Unit (CU) size decision and entropy coding, which provides an adequate approach to enhance the real-time video/IP technology in terms of improved video quality and increased compression ratio compared to the previous codec (H.264) and original HEVC. In the thesis, we proposed fast algorithms that reduce encoder complexity in a way more suitable for a real-time processing. Our system ensured that voice, video, text and other control packets are streamed efficiently to various individuals with smooth real-time communication. This thesis proposed a solution for a qualified server/client teleconference system. The system is an open, expandable platform and can work efficiently in an intranet/internet environment.