面向企业的局域网高清视频插播系统建设

The Construction of HD Videos Insertion System for Local Area Network

主要介绍在有线电视双向网络基础上实现的面向集团客户的局域网高清插播系统建设。通过在企业内部机房增设头端,实现插播节目的编码、调制以及射频输出,实现了卫星信号、模拟信源信号与云媒体电视信号的混合接入。通过虚拟电视台本地化建设,实现有效的安全认证和权限管理,满足企业内部向特定人群提供专属服务的需求。

The paper mainly introduces the construction of LAN high definition broadcast system for group customers based on the two-way network of cable television. By adding front-end equipment in the engine room of the enterprise, the programs that to be inserted can be encoded, modulated and output by the RF signal. The maxing of satellite signal, analog source signal and cloud media TV signal is realized. Through the localization construction of virtual television station, effective security authentication and rights management is achieved which meets the needs of enterprises to open permissions according to different administrative levels.