一种基于自适应滤波的语音增强算法的DSP实现  

DSP Realization of a Speech Enhancement Algorithm Based on Adaptive Filter

作　　者：曹晓琳[1] 吴平[1] 张素莉[1] 丁铁夫[1] 

机构地区：[1]中国科学院长春光学精密机械与物理研究所

出　　处：《电子器件》2005年第3期637-640,共4页Chinese Journal of Electron Devices

摘　　要：针对某大型车辆专用车内通话系统设计中的语音增强问题,对一种基于自适应滤波的语音增强算法进行了较为深入的研究。介绍了该算法的基本原理,及以TMS320VC5402为核心的语音增强模块的硬件设计,详细讨论了该算法的软件实现过程,并给出了实验结果。结果表明,该算法结构简单、易于实现,有较好的实用价值。An algorithm based on adaptive filter is introduced to improve SNR in the design of a special communication system of large vehicle, The theory of this algorithm is analyzed. The hardware constitution of speech enhancement module which takes TMS320VC5402 as a core is given. The software realization of the algorithm is discussed,The algorithm has the characteristic of fast speed and simple structure. The result of realization shows the practicability of the algorithm.

关 键 词：自适应滤波 语音增强 DSP 

分 类 号：TP301.6[自动化与计算机技术—计算机系统结构]