大型企业集团数字电视分站自办节目插播设计方案

The Design of Insert Broadcast Proposal for Self-made Programs of DTV Station of Large Enterprise Group

以大型企业集团有线数字电视系统的建设为方向,结合企业自办电视节目的实际情况,针对下属各电视分站自办节目插播的问题,分别阐述了射频频道插播系统和射频公用节目插播系统,以及基于IP和SDH信源系统的插播方案。最后,根据机顶盒的搜索机制在设备的配置和EPG的设置上提出了建议。

Aiming at the development of CATV system of Large enterprise group, combined with current situa- tion of Self-made programs, the paper focuses on the insert broadcast issue of affiliated DTV Station, respec- tively proposes the Radio Frequency Channel insertion system, radio Frequency Public tem, and insert broadcast proposal based IP and SDH source system. Finally, according to the searching mechanism of the set-top box, the device providing and EPG settings are suggested.