diff --git a/src/audio_exo.m b/src/audio_exo.m
deleted file mode 100644
index 6bff89fae8745b9e1dae28e91f0be812b1d81e2c..0000000000000000000000000000000000000000
--- a/src/audio_exo.m
+++ /dev/null
@@ -1,102 +0,0 @@
-[x,fe]=audioread("src/wav/single_tone_piano1.wav");
-[f,mod]=module_fft("src/wav/single_tone_piano1.wav");
-[f2,mod2]=module_fft("src/wav/single_tone_piano2.wav");
-
-[fmax,idx1]=max(mod);
-f1=f(idx1);
-disp('f1_piano1 :');
-disp(abs(f1));
-
-[fmax2,idx2]=max(mod2);
-f1_2=f2(idx2);
-%disp('f2_piano2 :');
-%disp(abs(f1_2));
-
-t=tiledlayout(2,1);
-nexttile
-plot(f,mod);
-legend('FFT piano1');
-xlabel('Fréquence (Hz)');
-ylabel('Amplitude');
-nexttile
-plot(f2,mod2);
-legend('FFT piano2');
-xlabel('Fréquence (Hz)');
-ylabel('Amplitude');
-
-n=2;
-fonda=220.456;
-tab_fmesuree=[220.456,442.124,663.307,855.622,1107.94,1331.54,1556.29,1783];
-tab_ftheo= fonda*(1:1:8);
-amplitude=[   7287,   5565,   1088,   1414,   934,    671,    570,    114];
-%amplitude = amplitude / max(amplitude);
-ftheo_piano1=n*abs(f1);
-%{
-disp('ftheo_piano1 :');
-disp(ftheo_piano1);
-epsfh_piano1=1200*(log2(fftshift(fft(tab_fmesuree(n)))))-log2(ftheo_piano1);
-disp('epsfh_piano1 :');
-disp(abs(epsfh_piano1));
-%}
-
-size=length(tab_fmesuree);
-duree =2;%length(f)/fe;
-tmp = 0:1/fe:duree;
-signal=0;
-for k = 1:size
-    signal=signal + amplitude(k)*sin(2*pi*tab_fmesuree(k)*tmp);
-end
-signal = signal / max(abs(signal));
-
-
-%{
-n_sig=length(signal);
-len_phase = round(n_sig / 4);
-A = linspace(0, 0.9, 1000);    
-D = linspace(0.9, 0.7,3100);    
-S = linspace(0.7, 0.7,40000);    
-R = linspace(0.7, 0,44101);      
-envelope = [A D S R] ;
-m=length(envelope);
-if n_sig<m
-    envelope=envelope(1:n_sig);
-end
-if n_sig>m
-    signal=signal(1:m);
-end
-tone=signal.* envelope;
-
-%}
-
-n_sig = length(signal);
-len_attack = round(n_sig * 0.0);  % 5% pour l'attaque
-len_decay = round(n_sig * 0.85);   % 15% pour le déclin
-len_sustain = round(n_sig * 0.1); % 10% pour le sustain
-len_release = 0.05;
-
-A = linspace(0, 0.8, len_attack);  % Montée rapide
-D = linspace(0.8, 0.5, len_decay); % Déclin rapide
-S = linspace(0.5, 0.5, len_sustain); % Faible sustain
-R = linspace(0.5, 0, len_release);  % Relâchement progressif
-
-envelope = [A, D, S, R];
-
-% Ajuster la taille si nécessaire
-if length(envelope) > n_sig
-    envelope = envelope(1:n_sig);
-elseif length(envelope) < n_sig
-    envelope = [envelope, zeros(1, n_sig - length(envelope))];
-end
-tone=signal.* envelope;
-
-sound(tone, fe);
-%sound(x, fe);
-
-
-function [f,mod] = module_fft(signal)
-    [x,fe]=audioread(signal);
-    y=fftshift(fft(x));
-    f = linspace(-fe/2, fe/2, length(y));
-    mod =abs(y);
-end 
-
diff --git a/src/example_with_wave_file.m b/src/example_with_wave_file.m
deleted file mode 100644
index e288ffce5280fbee6268f915d49b999fd7d6082e..0000000000000000000000000000000000000000
--- a/src/example_with_wave_file.m
+++ /dev/null
@@ -1,12 +0,0 @@
-%% this is a simple example to read and play a wave file with matlab
-
-% set a string variable to a wave filename we want to open:
-toneFileName = "wav/single_tone_piano1.wav";
-% read the content of the wave file:
-[data,fe] = audioread(toneFileName);
-% data is a matrix with 2 columns if the sound is stereo; keep the mono to ease further processing
-data = data(:,1); 
-% get the number of sample in vector data
-N = length(data);
-% play the sound in the audio output:
-soundsc(data,fe);
\ No newline at end of file