数字滤波器设计及在语音信号分析中的应用，利用MATLAB的界面设计功能，设计一个MATLAB环境下的人机交互界面，完成上述滤波器的设计及滤波过程，要求能够接收输入的设计参数，查看设计结果及滤波结果。-Digital filter design and application of analysis in speech signal, use of MATLAB interface design function, design a MATLAB environment of man-machine interface, complete the above the design of filter and filter process, request to receive input design parameters, check design results and filter results.