Comment 55 for bug 508522

Revision history for this message
Pali (pali) wrote : Re: [Bug 508522] Re: Mic is not available with A2DP Bluetooth profile

On Monday 10 June 2019 17:30:14 Thomas Andrews wrote:
> Disappointing that 9 years on this is still an issue.

My patches for automatic switching are part of pulseaudio 10. So this
problem is fixed.

> If I have A2DP Sink selected I have no Mic option

This is expected behavior. Your headset in A2DP Sink mode does not
support microphone.

> and if I use HSP/HFP the audio quality sounds like it's being played down a 14.4K modem

And this is expected too. In HSP/HFP mode is used CVSD codec which is
sampled at 8 kHz. Same what is used in telephony system.

> you might as well not have audio as it's just going to cause your ears to bleed.

So what you wrote is expected and correct behavior. Your headset does
not support anything else, it is by bluetooth design.

===

I think you can close this issue with title "ad2p sink profile mic not
available". Really by bluetooth design A2DP sink profile does not
support microphone and it is intended behavior.

The fix which is in pulseaudio 10 is automatic switching between A2DP
and HSP/HFP profiles based on fact if some phone application want to
access microphone or not.