[pulseaudio-discuss] Bluetooth headset HSP/HFP sound not working but microphone is

[Bram Lagerweij]

Dear all,

I've managed to solve my Bluetooth issue. My headset is now working both 
in HSP/HFP and A2DP (LDAC) mode. I did reinstall all dependencies of my 
bluetooth setup:

```
|sudo apt-get update||
sudo apt-get purge bluez libldac pulseaudio-modules-bt # Remove packages||
sudo apt-get autoremove # Cleanup||
sudo apt-get reinstall -y libfdk-aac-dev libavcodec-dev libpulse-dev 
libdbus-1-dev libsbc-dev libltdl-dev libbluetooth-dev # Renistall as 
some of these cannot be purged||
sudo apt-get install bluez libldac pulseaudio-modules-bt||
sudo reboot # Might not be nessecary|
```

And changed settings in `|sudo gedit /etc/pulse/default.pa`|according to 
the manual of `pulseaudio-modules-bt`.
I have a single remaining question, how to reset all audio related 
configuration files? I tried
```|
sudo apt-cache pkgnames pulse |xargs -n 1 sudo apt-get -o 
Dpkg::Options::="--force-confmiss" install --reinstall|
```

But apparently I did not reset all my configuration files, afterall 
`|/etc/pulse/default.pa|` did still have some edits afterwards.
I cannot `purge` pulseaudio either, as it is a prerequisite of ao gnome 
(ubuntu flavour).
What is the best way of resetting al user and system config files?

Kind regards,
Bram Lagerweij

Op 02-04-2021 om 02:30 schreef Bram Lagerweij:
>
> Dear pulseaudio,
>
> I've, for year's, been happily working with pulseaudio on ubuntu. 
> Recently an issue appeared with the combination with my headset Sony 
> WH-H900N. It used to work in the following two profiles:
>
>  1. HSP/HFP mode with microphone & sound
>  2. A2DP for high quality sound only (I combine this with an LDAC profile)
>
> I'm not sure since when, but I'm profile 1 is not working any more. 
> The microphone is, but the sound does not come through. I do hear more 
> static when it switches to the HSP/HFP profile but nothing that I play 
> gets to sound from the headset. The exact problem, and the related 
> issue search is documented as askubuntu 
> <https://askubuntu.com/questions/1328334/bluetooth-headset-hsp-hfp-sound-not-working-but-microphone-is>. 
> Do you know what is wrong and how to fix it? Did anything regarding 
> HSP/HFP change on the pulseaudio side. Or could you help me getting to 
> the exact cause of the problem?
>
> Kind Regards,
> Bram Lagerweij
>
> askubuntu link: 
> https://askubuntu.com/questions/1328334/bluetooth-headset-hsp-hfp-sound-not-working-but-microphone-is 
> <https://askubuntu.com/questions/1328334/bluetooth-headset-hsp-hfp-sound-not-working-but-microphone-is>
>
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