基于CATV的NVOD系统结构分析与关键技术研究

Analysing the Structure of NVOD System Based on CATV and Studying the Key Technology

作为视频点播（ＶＩＤＥＯ ＯＮ ＤＥＭＡＮＤ）的一种替代品，准视频点播（ＮＥＡＲ ＶＩＤＥＯ ＯＮ ＤＥＭＡＮＤ）随着有关领域的发展已逐渐成为研究的热点。本文对基于ＣＡＴＶ的ＮＶＯＤ系统结构进行分析，并对其中的关键技术进行了讨论。

As a substitute of VIDEO ON DEMAND,NEAR VIDEO ON DEMAND has become a researched'hot point'with the development of relevant field. This paper analizes the systematic structure of the NVOD based on CAOD. and stadys the key technologe in it.