基于4G 通信网络的数字广播系统的研究和设计  

Research and Design of Digital Broadcast System Based on 4G Communication Network

作　　者：吴好 WU Hao(Fujian Newland Communication Science and Technology Co.,Ltd.,Fuzhou 350003,China)

机构地区：[1]福建新大陆通信科技股份有限公司,福建福州350003

出　　处：《现代信息科技》2020年第23期34-37,共4页Modern Information Technology

摘　　要：文章论述了一种基于多路音频编解码和数据加密技术,利用4G无线通信传输的新型数字广播系统设计。该设计构建了一套广播收发终端和数字广播播发平台,可支持收发终端单独进行电话、短信、话筒、U盘、MP3文件等多路模拟和数字音频的广播,也可以利用数字广播管理平台下发音频,通过4G通信网络,实现收发终端的音频数据的接收、解码和播放。该系统同时可支持上下级行政区域联动、分区广播和定时广播。This paper discusses the design of a new digital broadcasting system based on multi-channel audio CODEC and data encryption technology,which uses 4G wireless communication transmission.This design builds a set of radio receiving and sending terminal and digital radio broadcasting platform,which can support receiving and sending terminal independently broadcast for multichannel analog and digital audio coming from telephone,SMS,microphone,U disk,MP3 files and so on,also can use digital broadcasting management platform to send audios,realize the receiving,decoding and playback of audio data from receiving and sending terminal through 4G communication network.At the same time,the system can support the linkage of the superior and subordinate administrative regions,regional broadcasting and timing broadcasting.

关 键 词：音频编解码 数据加密 音频收发控制 4G网络通信 

分 类 号：TN934.4[电子电信—信号与信息处理] TN929.5[电子电信—信息与通信工程]