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How do i change the default sound card? - Ask Ubuntu
https://askubuntu.com/questions/390269/how-do-i-change-the-default-sound-card#:~:text=In%20Ubuntu%2013.10%20go%20to%3A%20System%20Stteings-%3ESound%20The,plug%20it%20in%2C%20it%20automatically%20defaults%20to%20it.
How do i change the default sound card? - Ask Ubuntu
https://askubuntu.com/questions/390269/how-do-i-change-the-default-sound-card
In Ubuntu 13.10 go to: System Stteings->Sound The list on the left shows all working sound devices. Select the sound device you would like it to use, and it should direct all audio output to that device. I had to do this for my USB headset, but now once I …
[SOLVED] how to set default sound card in ubuntu
https://www.linuxquestions.org/questions/ubuntu-63/how-to-set-default-sound-card-in-ubuntu-4175480799/
You should be able to set the default sound card for the current session by running alsamixer, then hit F6 to select the default sound card: http://askubuntu.com/questions/15085...card-with-alsa. If you get permissions problems the use sudo before alsamixer, but I don't think this would be necessary.
Setting Default Audio Device in Ubuntu 18.04 | rastating ...
https://rastating.github.io/setting-default-audio-device-in-ubuntu-18-04/
They can be used in conjunction with the default Pulse configuration file. Open /etc/pulse/default.pa and scroll to the bottom of the file, where two lines starting with set-will be commented out. Uncomment these lines and replace the words input and output with the number of the sink / source that you want to be the default.
python - How do I change the default soundcard in …
https://stackoverflow.com/questions/47021488/how-do-i-change-the-default-soundcard-in-ubuntu-16-04-using-pyaudio
Then run alsa audio_file_name.mp3. Then open pulseaudio from your gui. In Playback section you can find ALSA ,from the top right side you can chose default input/output device for ALSA and set your headphones for example. Share.
How to Keep the Default Audio Devices from Changing on …
https://wolfgang-ziegler.com/blog/prevent-changing-of-default-ubuntu-sound-device
This can either be done using the number or the device name (I recommend working with device names however, since those numbers seem to be changing across reboots). Example: $ pactl set-default-source alsa_output.pci-0000_00_1f.3.analog-stereo $ pactl set-default-sink alsa_output.pci-0000_00_1f.3.analog-stereo.
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