The audiostart event of the Web Speech API is fired when the user agent has started to capture audio for speech recognition.
SpeechRecognition: audiostart event
Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener('audiostart', event => { }) onaudiostart = event => { }
Event type
A generic Event with no added properties.
Examples
You can use the audiostart event in an addEventListener 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 |
| Web Speech API # dom-speechrecognition-onaudiostart |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
audiostart_event |
33
|
79
|
No
|
No
|
No
|
14.1
|
4.4.3
|
33
|
No
|
No
|
14.5
|
2.0
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition/audiostart_event
