index.md

---

title: AudioDecoder
slug: Web/API/AudioDecoder
page-type: web-api-interface
status:
  - experimental
browser-compat: api.AudioDecoder

---

{{securecontext_header}}{{APIRef("WebCodecs API")}}{{SeeCompatTable}}

The AudioDecoder interface of the {{domxref('WebCodecs API','','',' ')}} decodes chunks of audio.

{{InheritanceDiagram}}

Constructor

• {{domxref("AudioDecoder.AudioDecoder", "AudioDecoder()")}} {{Experimental_Inline}}

  • : Creates a new AudioDecoder object.

Instance properties

Inherits properties from its parent, {{DOMxRef("EventTarget")}}.

• {{domxref("AudioDecoder.decodeQueueSize")}} {{ReadOnlyInline}} {{Experimental_Inline}}

  • : An integer representing the number of decode queue requests.

• {{domxref("AudioDecoder.state")}} {{ReadOnlyInline}} {{Experimental_Inline}}

  • : Represents the state of the underlying codec and whether it is configured for decoding.

Events

• {{domxref("AudioDecoder.dequeue_event", "dequeue")}} {{Experimental_Inline}}

  • : Fires to signal a decrease in {{domxref("AudioDecoder.decodeQueueSize")}}.

Static methods

• {{domxref("AudioDecoder.isConfigSupported()")}} {{Experimental_Inline}}

  • : Returns a promise indicating whether the provided AudioDecoderConfig is supported.

Instance methods

Inherits methods from its parent, {{DOMxRef("EventTarget")}}.

• {{domxref("AudioDecoder.configure()")}} {{Experimental_Inline}}

  • : Enqueues a control message to configure the audio decoder for decoding chunks.

• {{domxref("AudioDecoder.decode()")}} {{Experimental_Inline}}

  • : Enqueues a control message to decode a given chunk of audio.

• {{domxref("AudioDecoder.flush()")}} {{Experimental_Inline}}

  • : Returns a promise that resolves once all pending messages in the queue have been completed.

• {{domxref("AudioDecoder.reset()")}} {{Experimental_Inline}}

  • : Resets all states including configuration, control messages in the control message queue, and all pending callbacks.

• {{domxref("AudioDecoder.close()")}} {{Experimental_Inline}}

  • : Ends all pending work and releases system resources.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}