pfft

来自「speech signal process tools」· 代码 · 共 10 行

# @(#)Pfft	1.4 6/21/91 ESI 
# default parameter file for fft
int start ?= 1: "First point to process";
int nan ?= 1024: "Number of points; 0 means continue to EOF";
int frame_len ?= 0: "Number of points per analysis frame; 0 means nan";
int step ?= 0: "step (points between start of successive frames; 0 means frame_len)";
string window_type ?= "RECT": "Window to apply to data": {"RECT", "HAMMING", "TRIANG", "HANNING", "COS4"};
int order ?= 10: "Fourier transform length is 2 to this power" : [2,512];