pwfft

来自「speech signal process tools」· 代码 · 共 13 行

# @(#)PWfft	1.1 6/5/91
# default xwaves parameter file for fft
#
# this leaves start and nan to be determined by -r, and it sets 
# frame_len and step explicitely to force a single frame given by the 
# -r boundaries

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];