On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 56 on 2017-01-25 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Chrome Android version 56 on 2017-02-01 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Edge version 79 on 2020-01-15 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Firefox version 53 on 2017-04-19 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Firefox for Android version 53 on 2017-04-19 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 43 on 2017-02-07 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Opera Android version 43 on 2017-09-27 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Safari version 14.1 on 2021-04-26 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Safari on iOS version 14.5 on 2021-04-26 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In Samsung Internet version 6.0 on 2017-08-23 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In WebView Android version 56 on 2017-02-01 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
In WebView on iOS version 14.5 on 2021-04-26 Note: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.