| 基于TMS320DM642的实时语音处理系统 |
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| 引用本文： | 齐教,王玲,韩韬,刘辉.基于TMS320DM642的实时语音处理系统[J].电声技术,2009,33(1). |
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| 作者姓名： | 齐教 王玲 韩韬 刘辉 |
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| 作者单位： | 1. 湖南师范大学物理与信息科学学院,湖南,长沙,410081
2. 湖南大学电气与信息工程学院,湖南,长沙,410082 |
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| 摘 要： | 设计了一种基于DSP的实时音频处理系统,介绍了音频解码芯片TLV320AIC23B的基本特点和使用方法,详细描述了该芯片与DM642的McASP接口的连接方式,使用了2个ping-pong缓存实现了输入和输出的匹配.该系统具有良好的通用性,可以广泛应用干各种音频处理应用.
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| 关 键 词： | DM642芯片 TLV320AIC23B芯片 音频处理 |
Design of Real Time Audio Signal Processing System Based on TMS320DM642 |
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| QI Min,WANG Ling,HAN Tao,LIU Hui.Design of Real Time Audio Signal Processing System Based on TMS320DM642[J].Audio Engineering,2009,33(1). |
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| Authors: | QI Min WANG Ling HAN Tao LIU Hui |
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| Affiliation: | 1.College of Physics and Information Science;Hunan Normal University;Changsha 410081;China;2.College of Electrical and Information Engineering;Hunan University;Changsha 410082;China |
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| Abstract: | A real time audio signal processing system based on DSP designed and the high performance stereo codec TLV320AIC23B is introduced.How to connect the AIC23B with the interface McASP of the DM642 through two ping-pong buffer is introduced in detail.This system has a better universality and it could be extensively adopted in different audio processing areas. |
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| Keywords: | DM642 TLV320AIC23B audio processing |
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