From 6c3d02255f4a78806712091f6cc5b585bbf318e2 Mon Sep 17 00:00:00 2001
From: "mattis.roellinger" <mattis.roellinger@ecam.fr>
Date: Thu, 28 Mar 2024 09:19:49 +0100
Subject: [PATCH] Adding the DFT and FFT of the signal ind signal_analysis
 thanks to frequencySpectrum.m

---
 speech_analysis.m | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/speech_analysis.m b/speech_analysis.m
index 499f678..febcf5d 100644
--- a/speech_analysis.m
+++ b/speech_analysis.m
@@ -6,21 +6,22 @@ close all
 
 t=0:1/fs:length(y)/fs-1/fs;
 
-figure;
-set(gcf, 'name','Signal of origin');
-plot(t,y);
-xlabel('time(s)');
-ylabel('amplitude(n.u.');
+##figure;
+##set(gcf, 'name','Signal of origin');
+##plot(t,y);
+##xlabel('time(s)');
+##ylabel('amplitude(n.u.');
 
 
 audiowrite('modulator22_speedown.wav', y , fs/2);
 [y_speedown,fs_speedown]=audioread('modulator22_speedown.wav');
 t_speedown=0:1/fs_speedown:length(y_speedown)/fs_speedown-1/fs_speedown;
 
-figure;
-set(gcf, 'name','Speed down of the signal of origin');
-plot(t_speedown,y_speedown);
-xlabel('time(s)');
-ylabel('amplitude(n.u.');
-
+##figure;
+##set(gcf, 'name','Speed down of the signal of origin');
+##plot(t_speedown,y_speedown);
+##xlabel('time(s)');
+##ylabel('amplitude(n.u.');
 
+frequencySpectrum(y_speedown, fs_speedown, false);
+frequencySpectrum(y_speedown, fs_speedown, true);
\ No newline at end of file