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

The videoBitsPerSecond read-only property of the MediaRecorder interface returns the video encoding bit rate in use. This may differ from the bit rate specified in the constructor, if it was provided.


var videoBitsPerSecond = MediaRecorder.videoBitsPerSecond


A Number (unsigned long).


// TBD


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

Browser Compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 49.0 ? ? 36 ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 49.0 ? ? ? 36 ? 49.0

Document Tags and Contributors

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