extractInstrumental.m File Reference

Go to the source code of this file.

Functions
overlap indexes	sw (ovidx)

Variables
	function [y]
Initialize	M = length(w)
analysis window size	Ns = 1024
FFT size for synthesis	H = 256
hop size for analysis and synthesis	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(hNs+1,1+hM)
initialize sound pointer to middle of analysis window	pend = soundlength-max(hM,hNs)
last sample to start a frame	fftbuffer = zeros(N,1)
initialize buffer for FFT	y = zeros(soundlength+Ns/2,1)
output sine component	w = w/sum(w)
normalize analysis window	sw = zeros(Ns,1)
	ow = triang(2*H-1)
overlapping window	ovidx = Ns/2+1-H+1:Ns/2+H
	bh = blackmanharris(Ns)
Load melody file	melody = loadMelodyFile(melodyFile)
	i =0

Function Documentation

overlap indexes sw

(

ovidx

)

Variable Documentation

synthesis window bh = blackmanharris(Ns)

Definition at line 21 of file extractInstrumental.m.

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

Definition at line 14 of file extractInstrumental.m.

function[y]

Initial value:

= extractInstrumental(x,w,N,melodyFile)
%e.g. y = extractInstrumental(x,hamming(2025),4096,'baby.txt')

Definition at line 1 of file extractInstrumental.m.

FFT size for synthesis H = 256

Definition at line 8 of file extractInstrumental.m.

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

Definition at line 11 of file extractInstrumental.m.

length of input sound array hNs = Ns/2

Definition at line 10 of file extractInstrumental.m.

i =0

Definition at line 29 of file extractInstrumental.m.

Initialize M = length(w)

Definition at line 6 of file extractInstrumental.m.

melody = loadMelodyFile(melodyFile)

Definition at line 27 of file extractInstrumental.m.

analysis window size Ns = 1024

Definition at line 7 of file extractInstrumental.m.

overlapping window ovidx = Ns/2+1-H+1:Ns/2+H

Definition at line 19 of file extractInstrumental.m.

ow = triang(2*H-1)

Definition at line 18 of file extractInstrumental.m.

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

Definition at line 13 of file extractInstrumental.m.

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

Definition at line 12 of file extractInstrumental.m.

hop size for analysis and synthesis soundlength = length(x)

Definition at line 9 of file extractInstrumental.m.

normalize analysis window sw = zeros(Ns,1)

Definition at line 17 of file extractInstrumental.m.

output sine component w = w/sum(w)

Definition at line 16 of file extractInstrumental.m.

initialize buffer for FFT y = zeros(soundlength+Ns/2,1)

Definition at line 15 of file extractInstrumental.m.