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In data-driven mesh-based P2P live streaming system, the playback buffer management affects the audiences' quality of experience (QoE) significantly. Due to the instability and heterogeneity of P2P networks, the buffer is not always ready for playback. It is not only associated with the media timestamp, but also with the data availability in its neighbors. So how to manage the buffer synchronization...
Content delivery network (CDN) and peer-to-peer (P2P) are two well-known techniques for the efficient distribution of video streams. We have designed and implemented a large-scale live streaming system by integrating the advantages of CDN and P2P technologies to overcome their own limitations. The system was commercially deployed by ChinaCache, one of the largest CDN companies in China. To the best...
Innovative Ajax-like functionality in a mobile video delivery system is introduced, where light-weight, smooth, and quick-responsible accessibility to contents can be provided. This technology consists of viewers?? view context aware asynchronous pre-fetching and streaming scheme, and seamless media assembly and media synchronization scheme. This paper describes its innovative mechanisms and elemental...
Video-streaming can now be offered on third-generation (3G) mobile networks. Most research efforts have focused on video download. This paper presents a detailed study of challenges faced for successfully deploying applications requiring life video upload. Both subjective and objective qualities as well as the effects of mobility are analyzed on real 3G networks. Consequently, video profiles are identified...
This paper focuses on issues relating to the building of multimedia presentations under a certain framework through a newly developed e-learning tool. The issues addressed include the theoretical principles upon which the tool is based, the effective and appropriate use of multimedia and the format of presentation delivery. Java-Assisted SMIL (abbr. JAS) authoring tool is an advanced education supporting...
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