AudioEncoderLimited availabilityThis feature is not Baseline because it does not work in some of the most widely-used browsers.Learn moreSee full compatibilityReport feedbackSecure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers. Note: This feature is available in Dedicated Web Workers. The AudioEncoder interface of the WebCodecs API encodes AudioData objects. EventTarget AudioEncoder Constructor AudioEncoder() Creates a new AudioEncoder object. Instance propertiesInherits properties from its parent, EventTarget. AudioEncoder.encodeQueueSize Read only An integer representing the number of encode queue requests. AudioEncoder.state Read only Represents the state of the underlying codec and whether it is configured for encoding. Events dequeue Fires to signal a decrease in AudioEncoder.encodeQueueSize. Static methods AudioEncoder.isConfigSupported() Returns a promise indicating whether the provided AudioEncoderConfig is supported. Instance methodsInherits methods from its parent, EventTarget. AudioEncoder.configure() Enqueues a control message to configure the audio encoder for encoding chunks. AudioEncoder.encode() Enqueues a control message to encode a given AudioData objects. AudioEncoder.flush() Returns a promise that resolves once all pending messages in the queue have been completed. AudioEncoder.reset() Resets all states including configuration, control messages in the control message queue, and all pending callbacks. AudioEncoder.close() Ends all pending work and releases system resources. SpecificationsSpecificationWebCodecs # audioencoder-interfaceBrowser compatibilitydesktopmobileChromeEdgeFirefoxOperaSafariChrome AndroidFirefox for AndroidOpera AndroidSafari on iOSSamsung InternetWebView AndroidWebView on iOSAudioEncoderChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyAudioEncoder() constructorChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historycloseChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyconfigureChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyconfigure.bitrateModeChrome – Full supportChrome119Toggle historyEdge – Full supportEdge119Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera105Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android119Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android79Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet25.0Toggle historyWebView Android – Full supportWebView Android119Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyconfigure.opusChrome – Full supportChrome110Toggle historyEdge – Full supportEdge110Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera96Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android110Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android74Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet21.0Toggle historyWebView Android – Full supportWebView Android110Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyopus.applicationExperimentalChrome – Full supportChrome126Toggle historyEdge – Full supportEdge126Toggle historyFirefox – No supportFirefoxNoToggle historyOpera – Full supportOpera112Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android126Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android83Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – No supportSamsung InternetNoToggle historyWebView Android – Full supportWebView Android126Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyopus.signalExperimentalChrome – Full supportChrome126Toggle historyEdge – Full supportEdge126Toggle historyFirefox – No supportFirefoxNoToggle historyOpera – Full supportOpera112Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android126Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android83Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – No supportSamsung InternetNoToggle historyWebView Android – Full supportWebView Android126Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historydequeue eventChrome – Full supportChrome106Toggle historyEdge – Full supportEdge106Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera92Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android106Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android72Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet20.0Toggle historyWebView Android – Full supportWebView Android106Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyencodeChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyencodeQueueSizeChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyflushChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyisConfigSupported() static methodChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historyresetChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle historystateChrome – Full supportChrome94Toggle historyEdge – Full supportEdge94Toggle historyFirefox – Full supportFirefox130Toggle historyOpera – Full supportOpera80Toggle historySafari – No supportSafariNoToggle historyChrome Android – Full supportChrome Android94Toggle historyFirefox for Android – No supportFirefox for AndroidNoToggle historyOpera Android – Full supportOpera Android66Toggle historySafari on iOS – No supportSafari on iOSNoToggle historySamsung Internet – Full supportSamsung Internet17.0Toggle historyWebView Android – Full supportWebView Android94Toggle historyWebView on iOS – No supportWebView on iOSNoToggle history