index.md

---

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

---

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

The AudioEncoder interface of the WebCodecs API encodes {{domxref("AudioData")}} objects.

{{InheritanceDiagram}}

Constructor

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

  • : Creates a new AudioEncoder object.

Instance properties

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

• {{domxref("AudioEncoder.encodeQueueSize")}} {{ReadOnlyInline}} {{Experimental_Inline}}

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

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

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

Events

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

  • : Fires to signal a decrease in {{domxref("AudioEncoder.encodeQueueSize")}}.

Static methods

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

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

Instance methods

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

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

  • : Enqueues a control message to configure the audio encoder for encoding chunks.

• {{domxref("AudioEncoder.encode()")}} {{Experimental_Inline}}

  • : Enqueues a control message to encode a given {{domxref("AudioData")}} objects.

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

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

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

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

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

  • : Ends all pending work and releases system resources.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}