42 lines
1.7 KiB
Markdown
42 lines
1.7 KiB
Markdown
# PipeWire notes
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## USB headset volume problem
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2021-06-14: These files shouldn't even exist, the solution below is wrong,
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marking the headset as "Pro-audio" in pavucontrol Settings tab and adjusting
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one from `alsamixer` is enough to fix it.
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In `alsamixer` having it as pro-audio exposes the sound card in F6 known as
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*Logitech USB Headset* and there I see two siliders, *Headphone* and *Mic*,
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*Headphone* can apparently be 100 and *Mic* muted when not in use to avoid
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it echoing back.
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* * * * *
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The old pulseaudio fix for less than 20 % volume being unhearable is editing
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`alsa-monitor.conf` and uncommenting `api.alsa.ignore-dB = true`
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```
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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
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2021-049 11:45:31 EET <@wtay> Mikaela, or alternatively: api.alsa.soft-mixer = true in alsa-monitor.conf
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```
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from #pipewire on freenode which has public logging according to the title.
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The `api.alsa.soft-mixer = true` may be nicer as the volume is a lot less,
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77 % is well audible on USB headset and even 100 % isn't too loud. External
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speakers with subwoofer again work as usual.
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2021-06-14: the above solution is wrong and outdated, the files mentioned
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don't exist by default anymore, they need to be copied and edited separately
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See also:
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* https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/1220
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* marked as duplicate of: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/207
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## Bluetooth
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* https://www.redpill-linpro.com/techblog/2021/05/31/better-bluetooth-headset-audio-with-msbc.html
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* https://web.archive.org/web/20210614103423/https://www.redpill-linpro.com/techblog/2021/05/31/better-bluetooth-headset-audio-with-msbc.html
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