数字音频广播CDR技术在广播电视工程中的应用  

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

作　　者：张军武 ZHANG Junwu(Laixi Integrated Media Center,Qingdao 266600,China)

机构地区：[1]莱西市融媒体中心,山东青岛266600

出　　处：《电声技术》2025年第2期128-130,共3页Audio Engineering

摘　　要：重点探讨中国数字化广播(China Digital Radio,CDR)技术在广播电视工程中的应用。CDR技术通过高效编码和调制传输,提高了音频广播的质量,扩大了覆盖范围,并实现了模数同播,有效利用了频谱资源。CDR技术的应用不仅提升了广播电视节目的音质,而且增强了系统的抗干扰能力和传输稳定性,为广播电视工程的持续发展提供了有力支持。This paper focuses on the application of China Digital Radio(CDR) technology in radio and television engineering.CDR technology improves the quality of audio broadcasting,expands the coverage,realizes analog-to-digital simultaneous broadcasting and effectively utilizes spectrum resources through efficient coding and modulation transmission.The application of CDR technology not only improves the sound quality of radio and television programs,but also enhances the anti-interference ability and transmission stability of the system,which provides strong support for the sustainable development of radio and television projects.

关 键 词：数字音频广播 中国数字化广播(CDR)技术 广播电视工程 模数同播 频谱利用率 

分 类 号：TN934.3[电子电信—信号与信息处理]