基于DM642语音处理系统研究与实现  

Study and Implementation of Audio Processing System based on TMS3200DM642

作　　者：崔丽珍[1] 马勇[1] 王慧琴[1] 

机构地区：[1]内蒙古科技大学信息工程学院,内蒙古包头014010

出　　处：《通信技术》2010年第11期67-68,71,共3页Communications Technology

摘　　要：设计了基于DSP的实时语音处理系统,介绍了TMS320DM642与扩展语音编码解码芯片TLV320AIC23B的基本特点,设计了该芯片与TMS320DM642的McASP的连接方式,研究了利用TI的codec驱动程序和数字回声处理算法来实现语音数据的处理,通过不同参数选择实现了语音处理系统,该系统有良好的通用性,能应用于多种音频处理。A real.time audio processing system based on DSP is designed,and the basic characteristics of audio code/decode chip TLV320AIC23B expanded by TMS320CDM642 are described.the connection of TMS320CDM642 to McASP is designed.And the implementation of real-time audio processing by codec driver forom TI and signal echo processing algorithm is studied.Through differenent selection of parameters,the audio processing system is actually realized.This system is of a better universality and suitable for different audio processing fields.

关 键 词：DM642芯片 编解码 TLV320AIC23B芯片 实时操作系统 

分 类 号：TP912.33[自动化与计算机技术]