From 71e50ae43677f4741e88015aa2f3e68979ec02e6 Mon Sep 17 00:00:00 2001
From: DUBOC Marc <marc.duboc@imt-atlantique.net>
Date: Mon, 28 Apr 2025 08:44:31 +0000
Subject: [PATCH] Delete untitled.m

---
 untitled.m | 69 ------------------------------------------------------
 1 file changed, 69 deletions(-)
 delete mode 100644 untitled.m

diff --git a/untitled.m b/untitled.m
deleted file mode 100644
index 61ff53a..0000000
--- a/untitled.m
+++ /dev/null
@@ -1,69 +0,0 @@
-% Charger les fichiers audio des pianos
-[piano1, fs_piano1] = audioread('wav/single_tone_piano1.wav');
-[piano2, fs_piano2] = audioread('wav/single_tone_piano2.wav');
-
-% Calculer la transformée de Fourier
-N_piano1 = length(piano1);
-N_piano2 = length(piano2);
-
-fft_piano1 = fft(piano1);
-fft_piano2 = fft(piano2);
-
-% Décaler les fréquences
-fft_piano1_shifted = fftshift(fft_piano1);
-fft_piano2_shifted = fftshift(fft_piano2);
-
-% Calculer les fréquences correspondantes
-frequencies_piano1 = (-N_piano1/2:N_piano1/2-1)*(fs_piano1/N_piano1);
-frequencies_piano2 = (-N_piano2/2:N_piano2/2-1)*(fs_piano2/N_piano2);
-
-% Convertir en décibels
-amplitude_db_piano1 = 20*log10(abs(fft_piano1_shifted));
-amplitude_db_piano2 = 20*log10(abs(fft_piano2_shifted));
-
-% Visualiser les spectres
-figure;
-plot(frequencies_piano1, amplitude_db_piano1, 'b');
-hold on;
-plot(frequencies_piano2, amplitude_db_piano2, 'r');
-title('Spectres d''amplitude des pianos');
-xlabel('Fréquence (Hz)');
-ylabel('Amplitude (dB)');
-legend('Piano 1', 'Piano 2');
-xlim([-fs_piano1/2 fs_piano1/2]);
-
-% Déterminer la fréquence fondamentale
-[~, idx_piano1] = max(amplitude_db_piano1);
-[~, idx_piano2] = max(amplitude_db_piano2);
-f1_piano1 = frequencies_piano1(idx_piano1);
-f1_piano2 = frequencies_piano2(idx_piano2);
-
-fprintf('Fréquence fondamentale du piano 1 : %.2f Hz\n', f1_piano1);
-fprintf('Fréquence fondamentale du piano 2 : %.2f Hz\n', f1_piano2);
-
-% Calculer l'inharmonicité
-n = 1:10; % Considérons les 10 premières harmoniques
-inharmonicity_piano1 = zeros(size(n));
-inharmonicity_piano2 = zeros(size(n));
-
-for i = 1:length(n)
-    f_n_theoretical1 = n(i) * f1_piano1;
-    f_n_theoretical2 = n(i) * f1_piano2;
-
-    % Trouver la fréquence mesurée la plus proche
-    [~, idx_measured1] = min(abs(frequencies_piano1 - f_n_theoretical1));
-    [~, idx_measured2] = min(abs(frequencies_piano2 - f_n_theoretical2));
-
-    f_n_measured1 = frequencies_piano1(idx_measured1);
-    f_n_measured2 = frequencies_piano2(idx_measured2);
-
-    % Calculer l'inharmonicité en cents
-    inharmonicity_piano1(i) = 1200 * (log2(f_n_measured1) - log2(f_n_theoretical1));
-    inharmonicity_piano2(i) = 1200 * (log2(f_n_measured2) - log2(f_n_theoretical2));
-end
-
-fprintf('Inharmonicité du piano 1 (en cents) :\n');
-disp(inharmonicity_piano1);
-
-fprintf('Inharmonicité du piano 2 (en cents) :\n');
-disp(inharmonicity_piano2);
-- 
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