论文部分内容阅读
随着时代的进步,人们对视频节目服务提出了更高的要求,希望改传统的被动观看为主动控制,能实现对视频节目的内容、播放时间和播放进度等诸多方面进行选择和控制。视频点播就是为了满足人们这种需求而产生的一种服务方式。近年来,随着高速计算机、数字视频压缩以及大容量存储器的发展,视频点播(Video-
With the progress of the times, people put forward higher requirements on the video program service. They hope to change the traditional passive watch as the active control, and can realize the selection and control over the content, the playing time and the progress of the video program. Video on demand is to meet people’s needs arising from this kind of service. In recent years, with the development of high-speed computers, digital video compression and mass storage, Video-