语音信号处理是研究数字信号处理技术和语音学知识对语音信号进行处理的新兴学科，是目前发展最为迅速的信息科学研究领域的核心技术之一。本文采用Matlab7.0综合运用GUI界面设计，各种函数调用等对语音信号进行采集、提取、变频、变幅，傅里叶变换、滤波等简单处理。程序界面简练，操作简便，具有一定的实际应用意义。-Speech signal processing is the study of digital signal processing technology and knowledge of phonetics emerging disciplines of speech signal processing, is currently the most rapid development of information science research in the field of one of the core technology.Integrated use of GUI interface design based on Matlab7.0, all sorts of function calls for speech signal acquisition, such as extraction, frequency, amplitude, Fourier transform, filtering and so on simple processing.Program interface is concise, easy to operate and has a certain practical significance.