利用DSP实验箱实现语音滤波  

Simulating Audio Filtering with DSP Experiment Box

作　　者：陈国泰 CHEN Guo-tai(Key Laboratory of Nondestructive Testing of Fujian Province University;School of Electronic and Information Engineering,Fuqing 350300,China)

机构地区：[1]无损检测技术福建省高校重点实验室 [2]电子与信息工程学院,福建福清350300

出　　处：《电气电子教学学报》2020年第4期149-153,共5页Journal of Electrical and Electronic Education

基　　金：福建师范大学福清分校校级教改项目(XJ14010);福建省海洋经济发展补助资金项目(FJHJF-L-2019-7);中央引导地方科技发展专项(2019L3013)。

摘　　要：由于集成许多模块且体积小移动性强,实验箱是目前高校常用的教学设备。对“数字信号处理技术”课程的实践教学可在DSP实验箱上进行。作为一例,在DSP实验箱上进行语音信号的实时滤波,使学生能够直观了解语音处理过程以及滤波效果,同时使学生对无限冲击响应滤波器的极点偏移问题有更实际的认知。该实验可为语音的其它处理提供实践参考。Due to the integration of many modules,the small size and strong mobility,experiment box is the commonly used teaching equipment in colleges and universities.For students,the practice of Digital Signal Processing Technology can be carried out on DSP experiment box.As a case,real-time filtering of speech signal is carried out in the DSP box,where students can intuitively understand the speech processing and corresponding results.Moreover,students can have a more practical understanding on the problem of the pole offset in infinite impulse response filter.This experiment can be a practical sample for other speech processing.

关 键 词：数字信号处理 数字信号处理器 有限冲击响应 无限冲击响应 滤波器 

分 类 号：TN912.3[电子电信—通信与信息系统]