How to change webRTC audio bit rate in Firefox (51)

Asked Mar 15 '17 at 15:54

Active Mar 15 '17 at 15:54

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I have searched and searched but can not find a definitve answer to the question.

By default Firefox sets the bitrate for any audio sent via webRTC to 40 kbps. Changing the SDP parameter works in any other browswer supporting webRTC with the exception of Firefox (51).

This behavior is well documented in bug reports for years, but I can not find any solution/bug fix information for this.

Anybody with more information on this topic?

asked Mar 15 '17 at 15:54

Armin Hierstetter

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What SDP lines are you changing? – Brad Mar 24 '20 at 01:34
"b=AS:" is rewritten, the others stay the same. Works – as explained – in every browser (maybe even in Firefox now, I have not checked in years). – Armin Hierstetter Jun 21 '20 at 15:53

How to change webRTC audio bit rate in Firefox (51)

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