stftlab4.m File Reference

Go to the source code of this file.

Variables
function	y
function	w = w/sum(w)
function	N
function	H
function	t
analysis window size	N2 = N/2+1
size of positive spectrum	soundlength = length(x)
length of input sound array	hM = (M-1)/2
half analysis window size	pin = 1+hM
initialize sound pointer at the middle of analysis window	pend = soundlength-hM
last sample to start a frame	fftbuffer = zeros(N,1)
initialize buffer for FFT	yw = zeros(M,1)
normalize analysis window	sw = hanning(M)

Variable Documentation

last sample to start a frame fftbuffer = zeros(N,1)

Definition at line 12 of file stftlab4.m.

function H

Definition at line 1 of file stftlab4.m.

length of input sound array hM = (M-1)/2

Definition at line 9 of file stftlab4.m.

function N

Definition at line 1 of file stftlab4.m.

analysis window size N2 = N/2+1

Definition at line 7 of file stftlab4.m.

initialize sound pointer at the middle of analysis window pend = soundlength-hM

Definition at line 11 of file stftlab4.m.

half analysis window size pin = 1+hM

Definition at line 10 of file stftlab4.m.

size of positive spectrum soundlength = length(x)

Definition at line 8 of file stftlab4.m.

synthesis window sw = hanning(M)

Definition at line 16 of file stftlab4.m.

function t

Definition at line 1 of file stftlab4.m.

initialize output array w = w/sum(w)

Definition at line 1 of file stftlab4.m.

initialize output sound frame y

Initial value:

= stftlab4(x, w, N, H, t)
% Analysis/synthesis of a sound using the peaks
% of the short-time fourier transform
% x: input sound

Definition at line 1 of file stftlab4.m.

initialize buffer for FFT yw = zeros(M,1)

Definition at line 13 of file stftlab4.m.