Processing

import processing.sound.*;
    
WhiteNoise noise;
BandPass bandPass;
    
float amp=0.0;
    
void setup() {
  size(640,360);
  background(255);
    
  // Create a noise generator and a bandpass filter
  noise = new WhiteNoise(this);
  bandPass = new BandPass(this);
    
  noise.play(0.5);
  bandPass.process(noise, 5000);
}
    
void draw() {
}
    
void mousePressed() {
    
  //stop the noise generator and the filter
  //noise.stop();
  bandPass.stop();
}