sound = loadSound("narrator.mp3");

​

}

function setup( ) {

createCanvas(500, 500); 

amplitude = new p5.Amplitude();

sound.play( );

}

​

function draw( ) {

​

background(0);

fill(255);

var level = amplitude.getLevel();

var size = map(level, 0, 1, 0, 200);

ellipse(width/2, height/2, size, size);

}

function mouseClicked( ){

sound.stop( );

}