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PPClass-M — A live online lecture system optimized for mobile access

机译:PPClass-M —为移动访问而优化的实时在线讲座系统

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While online lectures has been a mature application for desktop PC, enabling access of live online lectures from smartphones posses some unique challenges which can not be solved with existing desktop-oriented online lecture systems. We designed a new live online lectures system called PPClass-M which is optimized for mobile scenario. It adopts an enhanced HTTP-streaming based streaming protocol which can elegantly handle the interim coverage outage and network switch commonly found in of mobile network as well as better support of the dynamic switch of consumed element streams needed to meet the resource constraints of smartphones. It also features a semi-3D based client GUI design which can deliver better user experience on smartphones with constrained screen size
机译:尽管在线讲座已经成为台式PC的成熟应用程序,但是从智能手机访问实时在线讲座却带来了一些独特的挑战,而这些挑战是现有的面向桌面的在线讲座系统无法解决的。我们设计了一个新的实时在线授课系统PPClass-M,该系统针对移动场景进行了优化。它采用了增强的基于HTTP流的流协议,该协议可以优雅地处理移动网络中常见的临时覆盖中断和网络切换,并更好地支持满足智能手机资源限制所需的消耗元素流的动态切换。它还具有基于半3D的客户端GUI设计,可以在屏幕尺寸受限制的智能手机上提供更好的用户体验。

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