Web Audio API

- REC

High-level JavaScript API for processing and synthesizing audio

Chrome

4 - 13: Not supported
14 - 33: Supported
34 - 108: Supported
109: Supported
110 - 112: Supported

Edge

12 - 108: Supported
109: Supported

Safari

3.1 - 5.1: Not supported
6 - 14: Supported
14.1 - 16.2: Supported
16.3: Supported
TP: Supported

Firefox

2 - 24: Not supported
25 - 108: Supported
109: Supported
110 - 111: Supported

Opera

9 - 12.1: Not supported
15 - 21: Supported
22 - 91: Supported
92: Supported

IE

5.5 - 10: Not supported
11: Not supported

Chrome for Android

109: Supported

Safari on iOS

3.2 - 5.1: Not supported
6 - 14.4: Supported
14.5 - 16.2: Supported
16.3: Supported

Samsung Internet

4 - 18.0: Supported
19.0: Supported

Opera Mini

all: Not supported

Opera Mobile

10 - 12.1: Not supported
72: Supported

UC Browser for Android

13.4: Supported

Android Browser

2.1 - 4.4.4: Not supported
109: Supported

Firefox for Android

107: Supported

QQ Browser

13.1: Supported

Baidu Browser

13.18: 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.

Resources:: MDN Web Docs - Web Audio API; Polyfill to support Web Audio API in Firefox; Polyfill to enable Web Audio API through Firefox Audio Data api or flash; WebPlatform Docs