This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The audioBitsPerSecond read-only property of the MediaRecorder interface returns the audio encoding bit rate in use. This may differ from the bit rate specified in the constructor (if it was provided).


var audioBitsPerSecond = MediaRecorder.audioBitsPerSecond


A Number (unsigned long).


Specification Status Comment
MediaStream Recording
The definition of 'audioBitsPerSecond' in that specification.
Working Draft Initial definition.

Browser Compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support49 ? ? ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support4949 ? ? ? ?5.0

Document Tags and Contributors

Contributors to this page: rotemdan, lucian95, david_ross, jpmedley
Last updated by: rotemdan,