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pulseaudio - Changing sound card with no audio stream ...
https://unix.stackexchange.com/questions/650951/changing-sound-card-with-no-audio-stream
I have a computer with two sound cards which I switch between every now and then. With Pulseaudio's Volume Control application I can switch sound card in the Playback tab but only once an audio stream is present. What I would like to do instead is to switch sound card before playback. As far as I understand, this cannot be achieved with Volume Control so I need …
pulseaudio - How do I select a default sound card with ...
https://askubuntu.com/questions/150851/how-do-i-select-a-default-sound-card-with-alsa
This is a way set default sound output card dynamically using PulseAudio (not ALSA). Check list of Sources and Sinks. $ pactl list short sources 0 alsa_output.pci-0000_00_1b.0.analog-stereo.monitor module-alsa-card.c s16le 2ch 44100Hz SUSPENDED 1 alsa_input.pci-0000_00_1b.0.analog-stereo module-alsa-card.c s16le 2ch 44100Hz SUSPENDED 2 …
Modules – PulseAudio
https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Modules/
• Switch the card profile automatically to "hfgw" or "a2dp_source" when the remote end starts playing audio • Load module-loopback automatically for A2DP and HFGW sources, so that the received audio is automatically played back to some output • Switch the card automatically between HSP/HFP and A2DP for headsets based on heuristics
PulseAudio/Examples - ArchWiki
https://wiki.archlinux.org/title/PulseAudio/Examples
Open the sound settings manager, make sure that under the hardware tab the graphics cards HDMI audio is set to "Digital Stereo (HDMI) Output" (My graphics card audio is called "GF100 High Definition Audio Controller"). Then, open the output tab. There should now be two HDMI outputs for the graphics card.
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