let currentXPos = 0;

​

function setup() {

  createCanvas(600, 400);

  // https://p5js.org/reference/#/p5.AudioIn

  mic = new p5.AudioIn();

  mic.start();

  background(100);

}

​

function draw() {

  //background(100);

  // sound level from 0 to 1

  let micLevel = mic.getLevel();

  stroke(255);

  strokeWeight(10);

  const yStart = height;

  const yLineHeight = micLevel * height;

  const yEnd = yStart - yLineHeight;

  line(currentXPos, yStart, currentXPos, yEnd);

  currentXPos++;

  if(currentXPos > width){

    background(255, 0, 0);

    currentXPos = 0;

  }

}

​

​

​

​

​

​

​