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change default audio device (debian woody)
https://www.linuxquestions.org/questions/debian-26/change-default-audio-device-debian-woody-69102/
There's no need to change this, Linux supports audio output both through /dev/audio and /dev/dsp. The only difference between them are the default settings of these devices, which every audio app will change to its needs. It only matters if you cat a file to the device for testing purposes. So if /dev/audio works, /dev/dsp does, too.
How to change sound device? - Debian User Forums
https://forums.debian.net/viewtopic.php?t=45367
edit /etc/asound.conf and add entries for your sound cards. Code: Select all. pcm.audigy { type hw card 0 } pcm.sennheiser { type hw card 2 } in kcontrol >> sound&multimedia>>soundsystem>>hardware tab. checkmark 'use other custom options' and enter the sound card you wish to use that is defined in asound.conf.
Is there another way to restart the sound ... - Ask Ubuntu
https://askubuntu.com/questions/230888/is-there-another-way-to-restart-the-sound-system-if-pulseaudio-alsa-dont-work
If you are someone who is having the same issue but with a USB audio device then I recommend the following which fixed it for me: sudo rmmod xhci_pci && sudo rmmod xhci_hcd && sudo modprobe xhci_pci xhci_hcd None of the other answers would fix it and I assume that came down to the USB device not registering properly on boot.
How to manage audio devices on Linux with Pavucontrol
https://www.addictivetips.com/ubuntu-linux-tips/manage-audio-devices-on-linux-pavucontrol/
Once you’ve located the device you want to shut off, click the drop-down menu next to it. Look through the menu, find “disable” and click on it. From this point on, Pulse Audio will not have access to the sound device.
How to Restart PulseAudio Sound Server in Ubuntu Linux?
https://www.hecticgeek.com/how-to-restart-pulseaudio-sound-server-ubuntu-linux/
pulseaudio -k After issuing the command in Ubuntu you should see the audio icon changes into something similar as shown above. Just wait for few seconds and after the restarting process is completed you should see the default PulseAudio icon in your notification area again as shown below. That’s it. Gayan
drivers - How to change the default soundcard in Debian to ...
https://unix.stackexchange.com/questions/298265/how-to-change-the-default-soundcard-in-debian-to-an-external-usb
so I came up with the following /etc/modprobe.d/sound file and restarted pulseaudio: options snd cards_limit=3 alias snd-card-0 snd-1 alias snd-card-1 snd-hdmi alias snd-card-2 snd-usb options snd slots=snd_usb_audio,snd_hd_intel,snd-1 But still …
debian - Set audio output using command line - Unix ...
https://unix.stackexchange.com/questions/424757/set-audio-output-using-command-line
1 Answer Active Oldest Votes 3 This 2018 article explains how you can dynamically switch the audio output between hdmi and analogue on a Raspberry Pi. From the command line use amixer cset numid=3 2 for hdmi and amixer cset numid=3 1 for analogue. This information is no longer in the current version of that page, so may no longer work.
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