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, s