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 AndroidOpera AndroidiOS SafariSamsung Internet
Basic support551551 ?5342 ?6.0

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,