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随着宽带技术的发展,各种基于宽带技术应用的服务日益被人们所熟悉和关注,视频点播(VOD)便是其中颇具特色的应用之一。 视频点播是九十年代末在国外发展起来的,是一项随着娱乐业的发展而兴起的技术。他综合采用了计算机、通讯、电视等技术,利用了网络和视频技术的优势,彻底改变了过去收看节目的被动方式,实现了节目的按需收看和任意播放,集动态影视图像、静态图片、声音、文字等信息为一体,为用户提供实时、交互、按需点播
With the development of broadband technology, various services based on broadband technology are becoming more and more familiar and concern. Video on Demand (VOD) is one of the most distinctive applications. Video-on-demand was developed abroad in the late 1990s and is a technology that has emerged with the development of the entertainment industry. His comprehensive use of computer, communications, television and other technologies, the use of the advantages of network and video technology, completely changed the passive way to watch the program in the past, to achieve the program on demand and arbitrary play, set dynamic video images, still pictures, Voice, text and other information as a whole, to provide users with real-time, interactive, on-demand