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 | Status | Comment |
---|---|---|
Web Speech API The definition of 'speech recognition events' in that specification. |
Draft |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
audiostart event | Chrome Full support 33 | Edge Full support 79 | Firefox No support No | IE No support No | Opera No support No | Safari No support No | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android No support No | Opera Android No support No | Safari iOS No support No | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
See also
- Web Speech API
onaudiostart
event handler property