The PeriodicWave() constructor of the Web Audio API creates a new PeriodicWave object instance.


var myWave = new PeriodicWave(context, options);


Inherits parameters from the AudioNodeOptions dictionary.

A BaseAudioContext representing the audio context you want the node to be associated with.
options Optional
A PeriodicWaveOptions dictionary object defining the properties you want the PeriodicWave to have (It also inherits the options defined in the PeriodicWaveConstraints dictionary.):

Return value

A new PeriodicWave object instance.


var real = new Float32Array(2);
var imag = new Float32Array(2);
var ac = new AudioContext();

real[0] = 0;
imag[0] = 0;
real[1] = 1;
imag[1] = 0;

var options = {
  real : real,
  imag : imag,
  disableNormalization : false

var wave = new PeriodicWave(ac, options);


Specification Status Comment
Web Audio API
The definition of 'PeriodicWave' in that specification.
Working Draft  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support551 ?53 No42 ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic support551551 ?53 No42 ?

1. Before Chrome 59, the default values were not supported.

Document Tags and Contributors

 Contributors to this page: fscholz, chrisdavidmills, Sheppy, jpmedley
 Last updated by: fscholz,