广播电视工程中数字音频广播CDR技术的应用分析  

Application Analysis of Digital Audio Broadcasting CDR Technology in Broadcasting and Television Engineering

作　　者：马杰 MA Jie(Shandong Shan County Integrated Media Center(Shan County Radio and Television Station),Shan county 274300,China)

机构地区：[1]山东单县融媒体中心(单县广播电视台),山东单县274300

出　　处：《数字通信世界》2025年第1期139-141,共3页Digital Communication World

摘　　要：数字音频广播(DAB)在广播电视工程中越来越受到重视,本文分析了CDR技术在数字音频广播中的具体应用,探讨了其在音频传输、压缩、多路传输及信号处理中的效果。CDR技术可通过对音频信号进行数字化处理与压缩,利用正交频分复用(OFDM)技术实现高效的信号调制与同步,应用误码检测与纠错技术提升传输质量,实现多路传输与区域化广播以扩展服务范围。Digital Audio Broadcasting(DAB)is receiving increasing attention in broadcasting and television engineering,and the application of CDR technology can provide significant performance improvements.The article analyzes the specific application of CDR technology in digital audio broadcasting,and explores its effects in audio transmission,compression,multiplexing,and signal processing.CDR technology can achieve efficient signal modulation and synchronization by digitizing and compressing audio signals,utilizing orthogonal frequency division multiplexing(OFDM)technology,improving transmission quality through error detection and correction techniques,and expanding service scope through multi-channel transmission and regional broadcasting.

关 键 词：广播电视工程 数字音频广播CDR技术 正交频分复用(OFDM) 多路传输 

分 类 号：TN934.2[电子电信—信号与信息处理]