Web Audio API
- WDHigh-level JavaScript API for processing and synthesizing audio
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 86: Supported
- 87: Supported
Firefox
- 2 - 24: Not supported
- 25 - 83: Supported
- 84: Supported
- 85 - 86: Supported
Chrome
- 4 - 9: Not supported
- 10 - 33: Supported
- 34 - 86: Supported
- 87: Supported
- 88 - 90: Supported
Safari
- 3.1 - 5.1: Not supported
- 6 - 13.1: Supported
- 14: Supported
- TP: Supported
Opera
- 9 - 12.1: Not supported
- 15 - 21: Supported
- 22 - 71: Supported
- 72: Supported
iOS Safari
- 3.2 - 5.1: Not supported
- 6 - 13.7: Supported
- 14: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 81: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 59: Supported
Chrome for Android
- 87: Supported
Firefox for Android
- 83: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Supported
Not all browsers with support for the Audio API also support media streams (e.g. microphone input). See the getUserMedia/Streams API data for support for that feature.
Firefox versions < 25 support an alternative, deprecated audio API.
Chrome support went through some changes as of version 36.