Web Audio API
- RECHigh-level JavaScript API for processing and synthesizing audio
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 100: Supported
- 101: Supported
Firefox
- 2 - 24: Not supported
- 25 - 99: Supported
- 100: Supported
- 101 - 102: Supported
Chrome
- 4 - 13: Not supported
- 14 - 33: Supported
- 34 - 100: Supported
- 101: Supported
- 102 - 104: Supported
Safari
- 3.1 - 5.1: Not supported
- 6 - 14: Supported
- 14.1 - 15.3: Supported
- 15.4: Supported
- TP: Supported
Opera
- 9 - 12.1: Not supported
- 15 - 21: Supported
- 22 - 85: Supported
- 86: Supported
- 87: Supported
Safari on iOS
- 3.2 - 5.1: Not supported
- 6 - 14.4: Supported
- 14.5 - 15.3: Supported
- 15.4: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 101: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 64: Supported
Chrome for Android
- 101: Supported
Firefox for Android
- 100: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 15.0: Supported
- 16.0: 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.