SpeechRecognition: audiostart event

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

Bubbles No
Cancelable No
Interface Event
Event handler onaudiostart

Examples

You can use the audiostart event in an onaudiostart method:

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

recognition.addEventListener('audiostart', function() {
  console.log('Audio capturing started');
});

Or use the onaudiostart event handler property:

recognition.onaudiostart = function() {
  console.log('Audio capturing started');
}

Specifications

Specification
Web Speech API
# eventdef-speechrecognition-audiostart

Browser compatibility

BCD tables only load in the browser

See also