省级CDR全数字音频广播试验分析

随着我国广播电视无线数字化的不断推进,调频广播也逐渐进入数字化进程,开展全数字音频广播试验工作,符合未来广播业务发展的方向。本文结合河北广播电视台全数字音频广播试验,对全数字音频广播节目集成平台、传输系统、发射系统的搭建步骤进行了总结,对全数字音频广播实地路测数据、收听效果对比测试数据、实际覆盖效果进行了重点分析,为今后相关部门开展全数字音频广播覆盖工程提供参考和借鉴。

Analysis of Provincial CDR Full Digital Audio Broadcast Experiment

With continuous promotion of radio and television wireless digitization in our country,FM broadcasting has gradually entered digitization process.It is in line with development direction of broadcasting business in the future to carry out all-digital audio broadcasting experiment.Based on the experiment of all-digital audio broadcasting in Hebei radio and television station,this paper summarizes the steps of building integrated platform,transmission system and emission system of all-digital audio broadcasting programs.The field test data,comparative test data of reception effect and actual coverage of all-digital radio are analyzed in the paper.It provides the reference for relevant departments to carry out all-digital audio broadcasting coverage project in the future.