一种基于MSP430单片机的语音系统研究  

Research on Voice System Based MSP430 Microcontroller

作　　者：李宁[1] 

机构地区：[1]石家庄经济学院,石家庄050031

出　　处：《煤炭技术》2011年第3期61-63,共3页Coal Technology

摘　　要：介绍了TI公司的MSP430单片机和DVSI公司的AMBE-2000TM声码器芯片的基本原理及其实际应用;并结合PCM芯片AD73311实现了一套全双工的语音系统。由单片机控制的全双工声码器可以进行语音数据压缩和解压,并且能在低数据速率下提供优良的语音质量,因此在卫星通信、移动通信或是保密通信中拥有广泛的应用。The principle and application of AMBE-2000TM vocoder and MSP430 microcontroller are introduced.According to a practical example,the design method of a full-duplex working voice communication system with AD73311 PCM coder is given in details.Voice coder,controlled by microcontroller can provide superior voice quality at low data rates,and an efficient speech compression implementation.Therefore,it can be widely applied in practical use,such as satellite communication,mobile communication and security communication.

关 键 词：MSP430单片机 AMBE-2000TM 语音压缩与编码 AD73311 

分 类 号：TN912[电子电信—通信与信息系统]