TP-traitement-audio-visuel/TP10/TFCT.m

17 lines
373 B
Mathematica
Raw Normal View History

2023-06-22 18:47:16 +00:00
function [Y, valeurs_tau, valeurs_f] = TFCT(y, f_ech, n_fenetre, n_decalage, fenetre)
Y = buffer(y, n_fenetre, n_fenetre - n_decalage);
if fenetre == "hann"
f = hann(n_fenetre);
Y = Y .* f;
end
Y = fft(Y);
Y = Y(1:size(Y, 1) / 2, :);
valeurs_tau = 0:(1 / f_ech):(size(y, 1) / f_ech);
valeurs_f = 0:1 / size(Y, 1):f_ech;
end