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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 and adjusting one from alsamixer is enough to fix it.

In alsamixer having it as pro-audio exposes the sound card in F6 known as Logitech USB Headset and there I see two siliders, Headphone and Mic, Headphone can apparently be 100 and Mic muted when not in use to avoid it echoing back.

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2021-06-14: the above solution is wrong and outdated, the files mentioned don’t exist by default anymore, they need to be copied and edited separately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:

Bluetooth