浅谈数字电视的网络传输与前期调试

Network Transmission of Digital Cable TV and Preceding Adjustment

结合吴江数字电视实施的情况,介绍有线数字电视网络传输的一些基本概念和主要技术指标与网络表征,阐述了数字电视的传输对有线网络的要求,提出数字电视业务开通之前进行网络调试的必要性和方法,并对数字电视的网络传输与模拟电视的不同进行总结。

Based on the actual implementation of digital cable TV in Wujiang, the paper describes requirements of the network for Digital cable TV transmission and suggests the necessity and methods of network debugging before digital cable TV starting. The differences of network transmission between digital cable TV and analog cable TV are also explored.