sinemodel.m File Reference

Go to the source code of this file.

Functions
FFT size for	synthesis (even) H
overlapping	window (triangular window to avoid too much overlapping) ovidx
overlap indexes	sw (ovidx)

Variables
function	y
function	w = w/sum(w)
function	N
function	t
analysis window size	Ns = 1024
analysis synthesishop size	N2 = N/2+1
size of positive spectrum	soundlength = length(x)
length of input sound array	hNs = Ns/2
half synthesis window size	hM = (M-1)/2
half analysis window size	pin = max(N2,1+hM)
initialize sound pointer to middle of analysis window	pend = soundlength-max(N2,hM)
last sample to start a frame	fftbuffer = zeros(N,1)
normalize analysis window	sw = zeros(Ns,1)
	ow = triang(2*H-1)
	bh = blackmanharris(Ns)

Function Documentation

overlap indexes sw

(

ovidx

)

FFT size for synthesis

(

even

)

overlapping window

(

triangular window to avoid too much

overlapping

)

Referenced by DECLARE_ALIGNED(), ff_ac3_float_mdct_init(), ff_mpa_synth_filter_fixed(), ff_mpadsp_apply_window_mips_fixed(), wmapro_window(), yae_reset(), and yae_xcorr_via_rdft().

Variable Documentation

synthesis window bh = blackmanharris(Ns)

Definition at line 21 of file sinemodel.m.

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

Definition at line 14 of file sinemodel.m.

half synthesis window size hM = (M-1)/2

Definition at line 11 of file sinemodel.m.

length of input sound array hNs = Ns/2

Definition at line 10 of file sinemodel.m.

function N

Definition at line 1 of file sinemodel.m.

analysis synthesishop size N2 = N/2+1

Definition at line 8 of file sinemodel.m.

analysis window size Ns = 1024

Definition at line 6 of file sinemodel.m.

ow = triang(2*H-1)

Definition at line 18 of file sinemodel.m.

initialize sound pointer to middle of analysis window pend = soundlength-max(N2,hM)

Definition at line 13 of file sinemodel.m.

half analysis window size pin = max(N2,1+hM)

Definition at line 12 of file sinemodel.m.

size of positive spectrum soundlength = length(x)

Definition at line 9 of file sinemodel.m.

normalize analysis window sw = zeros(Ns,1)

Definition at line 17 of file sinemodel.m.

function t

Definition at line 1 of file sinemodel.m.

initialize output array w = w/sum(w)

Definition at line 1 of file sinemodel.m.

initialize buffer for FFT y

Initial value:

= sinemodel(x, w, N, t)
% Analysis/synthesis of a sound using the sinusoidal model
% x: input sound

Definition at line 1 of file sinemodel.m.