用labview编程的mel滤波器，已经调试通过了，没有问题。好用！-program mel filter with LabVIEW，it is good to use.

这个函数也要被melcepst函数调用，用来进行计算Mel倒谱系数。这个函数的作用是构造mel滤波器组。-This function must be called melcepst function is used to calculate Mel cepstral coefficients. The role of this function is to construct mel filter bank.