数字音频广播关键技术及应用研究

Research on Key Technologies and Applications of Digital Audio Broadcasting

文章以数字音频广播关键技术及应用为研究重点,介绍数字音频广播的概念与优势,详细讨论数据压缩、信道编码与调制、单频网以及正交频分复用等技术的特性。同时,研究数字音频广播的主要系统架构,并分析这些系统的重要应用,以期为数字音频广播的发展提供参考。

Focusing on the key technologies and applications of digital audio broadcasting,this paper introduces the concept and advantages of digital audio broadcasting,and discusses in detail the characteristics of data compression,channel coding and modulation,single frequency network and orthogonal frequency division multiplexing.At the same time,the main system architecture of digital audio broadcasting is studied,and the important applications of these systems are analyzed to provide reference for the development of digital audio broadcasting.