25 lines
453 B
Matlab
25 lines
453 B
Matlab
% Author: Adrien COMBE
|
|
% Date: 24/03/2023
|
|
% Description: Signal Processing Lab 2
|
|
|
|
pkg load signal
|
|
|
|
filename = "modulator22.wav";
|
|
[y,fs] = audioread(filename);
|
|
|
|
%TEMPORAL ANALYSIS
|
|
t = [1:1:size(y)];
|
|
plot(t,y);
|
|
title ("Temporal analysis");
|
|
|
|
%PERFORMING DFT
|
|
[power, duration] = frequencySpectrum(y,fs,false);
|
|
%PERFORMING FFT
|
|
[power2, duration2] = frequencySpectrum(y,fs,true);
|
|
duration
|
|
duration2
|
|
|
|
%SPECTOGRAM
|
|
spectrogram(y,fs,5,30);
|
|
spectrogram(y,fs,5,5);
|