This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The soundstart
event of the Web Speech API is fired when any sound — recognisable speech or not — has been detected.
Bubbles | No |
---|---|
Cancelable | No |
Interface | Event |
Event handler property | onsoundstart |
Examples
You can use the soundstart
event in an addEventListener
method:
var recognition = new webkitSpeechRecognition() || new SpeechRecognition(); recognition.addEventListener('soundstart', function() { console.log('Some sound is being received'); });
Or use the onsoundstart
event handler property:
recognition.onsoundstart = function() { console.log('Some sound is being received'); }
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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
soundstart 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.