Mini Hack (Audio to Image)

Tomoaki Takagi
/
Mini Hack (Audio to Image)

on 13 Oct 2024

Cite your audio source here (if applicable): Westminster Quarters

Image: みんちりえ（ https://min-chi.material.jp/ ）

Write your drawframe function below

function drawframe(f)
    if f == 1 % Create image
        set(gca, 'position', [0 0 1 1]);
        y = audioread("audio.wav");
        y = reshape(y, 150, 150, 3);
        image(imresize(y, 4));
        axis off
    end
    if f == 96 % Create audio
        Fs = 44100;
        t = 0 : 1/Fs : 1;
    
        frequencies = [ 
            261.626     % C4 ド
            293.665     % D4 レ
            329.628     % E4 ミ
            349.228     % F4 ファ
            391.995     % G4 ソ
            440.000     % A4 ラ
            493.883     % B4 シ
            523.251     % C4 ド
        ];
        
        d = Fs * 0.1;
        fade = linspace(1, 0, d);
    
        sounds = [];
        for i = [4 6 5 1 4 5 6 4 6 4 5 1]
            sound = 0.2 * sin(2 * pi * frequencies(i) * t);
            sound(1:d) = sound(1:d) .* flip(fade);
            sound(end-d+1:end) = sound(end-d+1:end) .* fade;
            sounds = [sounds, sound];
        end
        audiowrite('audio.wav', sounds, Fs);
    end
end

Mini Hack (Audio to Image)

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Mini Hack (Audio to Image)