SpeechRecognition: audiostart event

{{APIRef("Web Speech API")}} 

The audiostart event of the Web Speech API is fired when the user agent has started to capture audio for speech recognition.

Syntax

Use the event name in methods like {{domxref("EventTarget.addEventListener", "addEventListener()")}} , or set an event handler property.

addEventListener("audiostart", (event) => { })

onaudiostart = (event) => { }

Event type

A generic {{DOMxRef("Event")}}  with no added properties.

Examples

You can use the audiostart event in an addEventListener method:

const recognition = new (SpeechRecognition || webkitSpeechRecognition)();

recognition.addEventListener("audiostart", () => {
  console.log("Audio capturing started");
});

Or use the onaudiostart event handler property:

recognition.onaudiostart = () => {
  console.log("Audio capturing started");
};

Specifications

{{Specifications}} 

Browser compatibility

{{Compat}} 

See also

• Web Speech API