用同态滤波方法（倒谱）解决回声干扰问题。给出了一句语音，并在此信号上叠加回声干扰，通过倒谱的方法将信号和回声的冲击响应分开。-using the same state filtering method (cepstrum) Echo solve the interference problem. Given a voice, and in this echo superimposed on the signal interference, through cepstrum approach wo

一个实现有限冲击响应滤波器，很完善，很好用，功能很强。-An implementation of finite impulse response filter, very perfect, very good use, features very strong.

半带有限冲击响应滤波器算法的matlab程序-half band fir filter algorithm