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Default/fallback devices - freedesktop.org
https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/DefaultDevice/#:~:text=Then%20restart%20PulseAudio.%20Now%20all%20opened%20streams%20will,already%20seen%29%20will%20go%20to%20the%20new%20device.
linux - Pulseaudio set/check default source - Stack Overflow
https://stackoverflow.com/questions/59150186/pulseaudio-set-check-default-source
1.change /etc/pulse/client.conf, add following lines: default-sink = alsa_output.pci-0000_00_1b.0.hdmi-stereo default-source = alsa_input.pci-0000_00_1b.0.analog-stereo. 2.change /etc/pulse/default.pa, add following lines: ### Make some devices default set-default-source alsa_input.pci-0000_00_1b.0.analog-stereo.
linux - Setting the default pulseaudio capture source to ...
https://unix.stackexchange.com/questions/596823/setting-the-default-pulseaudio-capture-source-to-monitor-via-command-line
analog-stereo.monitor is a Pulseaudio source for audio recording. It would not be recognised by ALSA when used in file ~/.asoundrc. to see information about Pulseaudio sinks and sources, including defaults: pacmd dump default-source for recording can be set with: pacmd set-default-source alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
sound - Pulseaudio changing default source not applied …
https://askubuntu.com/questions/1242306/pulseaudio-changing-default-source-not-applied-to-applications-that-were-running
However the set-default-source sometimes does not take effect! To me it looks like pulseaudio somehow "remembers" which source an application did use before and it automatically selects that source again for a specific application. I.e. audacity uses the laptop-mic, a simple arecord uses the headset-mic, although default is set to "laptop" currently.
PulseAudio/Examples - ArchWiki - Arch Linux
https://wiki.archlinux.org/title/PulseAudio/Examples
To set a system wide default, add the source name in the default.pa file: /etc/pulse/default.pa... set-default-sink alsa_output.pci-0000_04_01.0.analog-stereo... or per-user configuration default.pa file (which loads the default configuration from /etc/pulse/default.pa and overwrites the lines specified in this file: ~.config/pulse/default.pa
linux - Configure pulseaudio default input port - Unix ...
https://unix.stackexchange.com/questions/612215/configure-pulseaudio-default-input-port
pacmd set-source-mute [NAME of source from previous command output] 1. and unmute with. pacmd set-source-mute [NAME of source from previous command output] 0. Better yet you can set the source as your default source output: pacmd set-default-source [NAME] and then your shortcut, should control your analog microphone.
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