shell-things/etc/pipewire/media-session.d/README.md

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# PipeWire notes
## USB headset volume problem
2021-06-14: These files shouldn't even exist, the solution below is wrong,
marking the headset as "Pro-audio" in pavucontrol Settings tab is enough to
fix it.
* * * * *
The old pulseaudio fix for less than 20 % volume being unhearable is editing
`alsa-monitor.conf` and uncommenting `api.alsa.ignore-dB = true`
```
2021-049 11:44:40 EET <@wtay> Mikaela, you can set api.alsa.ignore-dB = true in /etc/pipewire/media-session.d/alsa-monitor.conf
2021-049 11:45:31 EET <@wtay> Mikaela, or alternatively: api.alsa.soft-mixer = true in alsa-monitor.conf
```
from #pipewire on freenode which has public logging according to the title.
The `api.alsa.soft-mixer = true` may be nicer as the volume is a lot less,
77 % is well audible on USB headset and even 100 % isn't too loud. External
speakers with subwoofer again work as usual.
2021-06-14: the above solution is wrong and outdated, the files mentioned
don't exist by default anymore, they need to be copied and edited separately
See also:
* https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/1220
* marked as duplicate of: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/207
## Bluetooth
* https://www.redpill-linpro.com/techblog/2021/05/31/better-bluetooth-headset-audio-with-msbc.html
* https://web.archive.org/web/20210614103423/https://www.redpill-linpro.com/techblog/2021/05/31/better-bluetooth-headset-audio-with-msbc.html