This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

import processing.sound.*;
Pulse pulse;

void setup() {
  size(640, 360);
  background(255);
    
  // Create the pulse oscillator
  pulse = new Pulse(this);
  pulse.play();
  pulse.freq(200);
}      

void draw() {
}

.freq(freq)

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.