From 859fa02ab6f717df01673aec7fb835d605f64db1 Mon Sep 17 00:00:00 2001
From: "rio.loann" <rio.loann@gmail.com>
Date: Thu, 20 Apr 2023 11:29:13 +0200
Subject: [PATCH] final version

---
 Main.m    |  14 +++++++-------
 sound     |   0
 sound.wav | Bin 0 -> 1244 bytes
 3 files changed, 7 insertions(+), 7 deletions(-)
 create mode 100644 sound
 create mode 100644 sound.wav

diff --git a/Main.m b/Main.m
index 99c900e..e52c8b3 100644
--- a/Main.m
+++ b/Main.m
@@ -45,14 +45,14 @@ frequencySpectrum(windowed_signal, Fs, 0);
 %spectrogram(windowed_signal, Fs, 1/Fs, 1000*length(signal)/Fs);
 
 % filter using filter and butter
-%f = (0:length(windowed_signal)-1)*(Fs/length(windowed_signal));     % frequency range
-%y = fft(windowed_signal, length(windowed_signal));% compute DFT of input signal
 
-power = abs(windowed_signal).^2/length(windowed_signal); 
-[val, ind] = max(windowed_signal); % find the mx value of DFT and its index
+[val, ind] = max(windowed_signal);
 
 figure;
-[b, a] = butter(6, 10/Fs)
-s = filter(b, a, 10*log10(windowed_signal/windowed_signal(ind)))
-plot(1:length(windowed_signal), s(50:300));
+[b, a] = butter(6, 10/Fs);
+s = filter(b, a, 10*log10(windowed_signal/windowed_signal(ind)));
+plot(50:300, s(50:300));
+
+
+audiowrite("sound.wav", signal, Fs);
 
diff --git a/sound b/sound
new file mode 100644
index 0000000..e69de29
diff --git a/sound.wav b/sound.wav
new file mode 100644
index 0000000000000000000000000000000000000000..aa44622bb39d3ea79f0b6eabdf134adff608b563
GIT binary patch
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