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              *{background:#d9d9d9}
p{text-align:center; line-height:100vh;white-space: nowrap;}
            
          
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              var audioCtx = new (window.AudioContext || window.webkitAudioContext)();
var oscilador  = audioCtx.createOscillator();
// crea un filtro biquad
var filtro = audioCtx.createBiquadFilter();

// Manipula el oscilador
oscilador.frequency.value = 150;
oscilador.type = "triangle";

// Manipula el filtro
filtro.type = "lowshelf";
filtro.frequency.value = 50;

//conecta el oscilador con el filtro
oscilador.connect(filtro);
// conecta el filtro con el dispositivo de destino ( altavoces, auriculares . . . etc )
filtro.connect(audioCtx.destination);

addEventListener("click", function(){
  oscilador.start(audioCtx.currentTime);
  oscilador.stop(audioCtx.currentTime + 3);
  oscilador.onended = function(){console.log("Y por fin el silencio")};
  // cuando el oscilador se detiene utilizando el método stop(), ya no puede ser reiniciado.
},false); 



            
          
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