AudioVisualiseExample

audiovisualize.pde

import processing.sound.*;
Amplitude amp;
AudioIn in;

float previousVolume = 0.0;

void setup() {
  size(640, 640);
  background(255);
    
  // Create an Input stream which is routed into the Amplitude analyzer
  amp = new Amplitude(this);
  in = new AudioIn(this, 0);
  in.start();
  amp.input(in);
  noFill();
  strokeWeight(5);
}      

void draw() {
  background(255);
  println(amp.analyze());
  float audioVolume = map(amp.analyze(),0.0,1.0,0.2,0.6);
  
  float newVolume = 0.9 * previousVolume + 0.1 * audioVolume;
  
  previousVolume = audioVolume;
  
  stroke(255,0,0);
  ellipse(width/2,height/2,audioVolume*width, audioVolume*height);
  
  stroke(0,255,0);
  ellipse(width/2,height/2,newVolume*width, newVolume*height);
  
  
  
}