"Visualizador" "Forma de ola" "Espectro" "Medidor VU" "Muchos" "-400 -400 -400" "400 -400 -400" "400 400 -400" "-400 400 -400" "-400 -400 400" "400 -400 400" "400 400 400" "-400 400 400" "0 1" "1 2" "2 3" "3 0" "4 5" "5 6" "6 7" "7 4" "0 4" "1 5" "2 6" "3 7"