function [Y, valeurs_tau, valeurs_f] = TFCT(y, f_ech, n_fenetre, n_decalage, fenetre)

    Y = buffer(y, n_fenetre, n_fenetre - n_decalage, 'nodelay');

    if fenetre == "hann"
        f = hann(n_fenetre);
        Y = Y .* f;
    end

    Y = fft(Y);
    Y = Y(1:size(Y, 1) / 2 + 1, :);

    valeurs_tau = n_decalage / f_ech * (0 : (size(Y, 2) - 1));
    valeurs_f = (0:size(Y, 1)-1) * f_ech / n_fenetre;

end