| 基于DM642语音处理系统研究与实现 |
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| 引用本文： | 崔丽珍,马勇,王慧琴. 基于DM642语音处理系统研究与实现[J]. 通信技术, 2010, 43(11): 67-68,71 |
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| 作者姓名： | 崔丽珍 马勇 王慧琴 |
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| 作者单位： | 内蒙古科技大学信息工程学院,内蒙古包头014010 |
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| 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。
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| 关 键 词： | DM642芯片 编解码 TLV320AIC23B芯片 实时操作系统 |
Study and Implementation of Audio Processing System based on TMS3200DM642 |
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| CUI Li-zhen,MA Yong,WANG Hui-qin. Study and Implementation of Audio Processing System based on TMS3200DM642[J]. Communications Technology, 2010, 43(11): 67-68,71 |
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| Authors: | CUI Li-zhen MA Yong WANG Hui-qin |
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| Affiliation: | (College of Information Engineering,Inner Mongolia University of Science and Technology,Baotou Inner Mongolia Autonomous Region 014010,China) |
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| Abstract: | 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. |
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| Keywords: | DM642 CODEC TLV320AIC23B DSP/BIOS |
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