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一、前言昆山市的有线电视信号在2006年底已全部实现了数字化,市区及全部乡镇均已开展了宽带上网、互动电视、高清数字电视、光纤专线等数字增值业务,树立了良好的品牌形象,取得了良好的社会效应和经济效益,促进了有线电视网络事业的发展。随着科学技术的迅猛发展以及用户需求的不断提高,现前端分配系统已越来越不适应我广电业务的进一步发展,急需进行改造。
I. Introduction Kunshan’s CATV signals have all been digitized by the end of 2006. Digital signals such as broadband Internet access, interactive TV, high definition digital television and optical fiber dedicated lines have been launched in urban areas and all towns and towns and a sound brand image has been established , Has achieved good social effects and economic benefits, and promoted the development of cable television network. With the rapid development of science and technology and the continuous improvement of user requirements, the front-end distribution system has become increasingly unsuited to the further development of our radio and television business and is in urgent need of transformation.