function setup() {
  createCanvas(1024, 400); 
  fill(255, 40, 255);
  noStroke();
  textAlign(CENTER);

  fft = new p5.FFT();

  p = createP(description);
  var p2 = createP('Description: Using linAverages() to produce the averages for 11 groups of equal frequency range.');

  barsNumber = 11; // Set this to 11 so it easier to compare with the LogAverages example
}
Display the average amount of amplitude across a range
of frequencies using the p5.FFT class and its methods analyze()
and linAverages().

This example divides the frequency spectrum into eleven bands of equal frequency range.