Add a new node, IIRFilterNode, that implements a general IIR filter. The coefficients are fixed at creation and not changeable with no automation functions allowed.



Editor's draft

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 49
  • Chrome for Android release 49
  • Chrome for iOS release 49
  • Android WebView release 49

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No signal
  • Shipped/Shipping
  • No signal
  • Positive



The general idea of an IIRFilterNode has been agreed upon in the W3C WebAudio WG. The exact specification of the node is being reviewed. Implementation will, of course, match the final specification.

Last updated on 2021-05-05