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.

Name

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

void setup() {
  size(640, 360);
  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);
}      

void draw() {
  println(amp.analyze());
}
Description This is a volume analyzer. It calculates the root mean square of the amplitude of each audio block and returns that value.
Methods
input() Defines the audio input source of the amplitude analyzer.
analyze() Queries a value from the analyzer and returns a float between 0. and 1.
Constructor
Amplitude(theParent)
Updated on April 30, 2017 02:33:22pm EDT

Creative Commons License