对输入的语音序列x进行MFCC参数的提取，返回MFCC参数和一阶差分MFCC参数，Mel滤波器的阶数为24,fft变换的长度为256，采样频率为8000Hz，对x 256点分为一帧. -The voice of the input MFCC parameters on the sequence of x, return to MFCC parameters and extracted a order difference MFCC parameters, Mel filter for th

采用FFT和低通滤波器的两种语音除噪算法比较，MATLAB编程，附效果图-Using FFT and low pass filter audio noise canceling algorithm for the two compare, MATLAB programming, with a results map

FFT简易分析仪 用来分析从电脑中录入的音频 利用了fir滤波器和iir滤波器 并有 GUI界面 完整的程序-FFT simple analyzer used to analysis the audio inputs from the computer using the fir filter and iir filter and a GUI interface complete program ~ ~

Iir滤波器，数字信号处理学习的好途径，能学习FFT算法-Iir filter, a good way to learn digital signal processing, FFT algorithm can learn