文中主要探究声音在频率上体现出的各种特性，并在此基础上在Matlab平台下的信号处理工具箱，如sptool、fdatool、wavelet、simulink工具箱等，对声纹识别技术做初步探索。-This paper explore the sound reflects the various characteristics in the frequency, the signal processing toolbox in Matlab platform and on this basis, such as sptool, fdatool, the wavelet, Simulink toolbox, preliminary exploration of the acoustic pattern recognition technology.