Processing

Reference+
Documentation→Libraries→Core→Sound

Class Name

Amplitude

Description

This is a volume analyzer. It calculates the root mean square of the amplitude of each audio block and returns that value.

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());
}

Constructors

  • Amplitude(parent)

Parameters

  • parent(PApplet)typically use "this"

Methods

  • analyze()Queries a value from the analyzer and returns a float between 0. and 1.
  • input()Define the audio input for the analyzer.
Creative Commons License

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