准视频点播技术在有线数字电视平台上的运用

The Technology of Near-Video-on-Demand (NVOD) is Exerted in the Digital Cable TV Platform

分析了基于有线数字电视平台的准视频点播 (NVOD)的系统构成 ;NVOD前端设备的功能及工作流程 ;NVOD系统在有线数字电视平台运用中的服务通道及带宽描述 ;

This article analyses the system of the Near-Video-on-Demand (NVOD) which is based on the digital cable TV platform; the function and the working process of the NVOD headend equipment; the service channel bandwidth of the NVOD system which is exerted in the digital cable TV platform; and how to achieve Video-on-Broadcast and Video-on-Demand in the data network.