中文摘要：

介绍一种用TMS320VC5509 DSP对语音信号进行FIR滤波处理的方法。该方案使用TLV320AIC23 codec芯片来采集语音信号,然后再经过FIR滤波器的处理,得到高质量的语音信号。

英文摘要：

A method of FIR fitering which is used to process speech signal based on TMS320 VC5509 DSP is introduced in this paper.The program use TLV320AIC23 codec chip to collect speech signal,then it is processed with FIR filter to get the speech signal of high quality.