Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development

The Design and Implementation of the Live Server in Audio and Video Broadcast Distance Education System

Author YuZuo
Tutor YaoQing
School Shandong University
Course Software Engineering
Keywords Streaming P2P Screen Capture Broadcast PPT
CLC TP311.52
Type Master's thesis
Year 2011
Downloads 13
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With the integration of data, video and voice information and other network technologies emerge and the growing popularity of Internet applications , distance learning (Teaching and Learning at Distance) was a great development , distance education is rapidly into the social , educational institutions has become an important form one of its most important feature is the remote and interactive . While China's online education has evolved over the years , but the system is still relatively poor interactivity , online Q \u0026 A, online discussion mainly pictures, text -based, high-tech means of video as a little supplement it , even if some of the video Networking Academy content is also reflected in the non- real-time multi- on -demand . In distance education to build face to face teaching methods , the most direct encounter technical problems is how to achieve the WAN for audio and video broadcast capabilities. This thesis is to study the design and development of a distance education system in the audiovisual broadcast live server software , so that it can realize real-time distance learning process by the teacher lectures, live broadcast to students, achieving student interaction. This paper describes the history of the development of distance education system , status quo and live server software development background, purpose and meaning , and then introduced the paper with the relevant technical - technical principles streaming media , P2P technology. After elaborated system processes and basic design concepts and program modules design process. Including how to divide the system module , how to define the interface between the modules , the transmission of information between modules , and data structure, module structure specifically designed to provide the system with the client interface / the message specification. Finally, the full text of the Summary and Outlook . According to audiovisual broadcasting overall demand for distance education system , this system can achieve complete two main functions: sound and image broadcasting , server and client interaction ( teacher-student interaction ) and three categories of sound and image broadcasting : Acquisition webcam, screen capture , broadcasting PPT.

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