30

Kubuntu 20.04 on Lenovo Thinkpad.

I recently bought an entry level Sony Bluetooth headset (WH-CH500) for the express purpose of audio- and video-conferencing.

It all works flawlessly except for one thing: when the headset connects, it always uses the "A2DP" high quality profile, which is fine to listen to music, but disables the microphone. I can change it to "headset HSP/HFP" in the bluetooth device manager. But next time I reconnect the headset, e.g. after switching it off, rebooting or putting the PC to sleep, I have to change the profile manually again.

Of course, sometimes I will forget to, so will enter a meeting without a microphone. Annoying!

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Is there a way to make it remember a default profile to use, so the given headset will always connect using this profile (or, simply use the last profile used) ?

There are many questions and threads here and elsewhere about the opposite problem (force A2DP mode), but I could not find anything to force the "headset" profile.

Pierre Henry
  • 373

2 Answers2

17

Sharing what worked for me.I spent many hours googling. Hope this helps someone else. I am using Ubuntu 22.04

This was the link that saved me: https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/975

I added the following line:

load-module module-card-restore restore_bluetooth_profile=true

to file /etc/pulse/default.pa

Restarted pulseaudio

systemctl restart --user pulseaudio

Now it remembers the Audio profile set on the bluetooth device.

This really should be an out of the box setting....

FraggaMuffin
  • 105
Daniel Spindler
  • 181
8

You can consider this as a workaround, as here The profile will be switched to HSP/HFP once you start an activity that requires a microphone but the profile initially is set to a2dp_sink.

Modify /etc/pulse/default.pa

Add the following lines or modify them

### Automatically load driver modules for Bluetooth hardware
.ifexists module-bluetooth-policy.so
load-module module-bluetooth-policy auto_switch=2
.endif

The magic here in auto_switch=2 which will make the pulse audio switch the profile based on requirements.

For more information and options you can refer to this reference wiki : https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/#module-bluetooth-policy

Edit

These are some of the pre-conditions that may affect the method.

Muhammad Yusuf
  • 701