基于ARM9的嵌入式网络语音终端系统设计  

Design of Embedded Voice-over-net Terminal System Based on ARM9

作　　者：付衍辉 陈新[1] 

机构地区：[1]福州大学物理与信息工程学院,福州350108

出　　处：《单片机与嵌入式系统应用》2014年第10期49-52,共4页Microcontrollers & Embedded Systems

摘　　要：以网络语音通话系统为背景,提出一种采用S3C2440微处理器实现网络语音通信功能的方案。该设计结合DM9000CEP以太网控制芯片实现以太网通信功能,使用UDA1341TS音频编码器完成语音信号的A/D、D/A转换。该方案构建的嵌入式VoIP网络电话具有可靠性高、操作性强与可扩展性高等特点。On the basis of network voice communication system,a solution is proposed to realize network voice communication function by using S3C2440 microprocessor.This solution uses Ethernet control chip DM9000CEP to complete Ethernet communication function,and uses audio encoder UDA1341TS to complete A/D and D/A conversions of voice signals.Embedded VoIP network telephone based on the solution has the characteristics of high reliability,high maneuverability and high expandability.

关 键 词：网络语音 网卡 音频 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]