| Summary: | 碩士 === 國立暨南國際大學 === 資訊工程學系 === 94 === This thesis explores the design and synchronization issues of how to integrate Web clients with VoIP clients effectively to enrich live communication. We present a generic semi-real-time Web-based interaction framework to support live online discussion and lecture on Web, with the help of VoIP technologies. Incorporating with real-time VoIP speech communication, our proposed framework enables multiple online users (e.g., teachers and students) to further interact with one another together by means of a shared Web document and annotation events imposed on it, which will all be synchronized with the speech stream they are delivering. We mainly investigate how time-skew between these two different types of steams (i.e., real-time speech and semi-real-time web events) influences synchronization requirement and human perception in presentation smoothness.
The online language tutoring has been implemented in this work to demonstrate our results and its feasibility, which might be useful to Web-based distance learning.
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