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usb audio interface not recognized by alsa - Ask Ubuntu
https://askubuntu.com/questions/591620/usb-audio-interface-not-recognized-by-alsa
$ cat /etc/modprobe.d/alsa-base.conf # autoloader aliases install sound-slot-0 /sbin/modprobe snd-card-0 install sound-slot-1 /sbin/modprobe snd-card-1 install sound-slot-2 /sbin/modprobe snd-card-2 install sound-slot-3 /sbin/modprobe snd-card-3 install sound-slot-4 /sbin/modprobe snd-card-4 install sound-slot-5 /sbin/modprobe snd-card-5 install sound-slot-6 …
Ubuntu – Usb audio interface not recognized by alsa – iTecTec
https://itectec.com/ubuntu/ubuntu-usb-audio-interface-not-recognized-by-alsa/
When I plug it in to my old laptop (ubuntu 14.04 i686) without ubuntu-studio and jack using the default alsa-base.conf it can be opened, is recognized as audio device and then by alsa, and the snd-usb-audio module is loaded, but there are no controls. I am …
Community Help Wiki - Ubuntu
https://help.ubuntu.com/community/UbuntuStudio/UsbAudioDevices
options snd-usb-audio index=1,2,3,4 vid=0x046d,0x1397,0x0763,0x08bb \ pid=0x08c6,0x00bc,0x0199,0x2902. Information as of 2014, March 20. The restart of the alsa system can be done with the command "sudo alsa force-reload". If that does not help getting the sound working in the USB headset, a full reboot will do it.
Usb-audio - Alsa Opensrc Org - Independent ALSA and …
https://alsa.opensrc.org/Usb-audio
Ensure to load the snd-usb-audio module with the parameter "nrpacks=1", maybe including it into one of the boot scripts:: modprobe snd-usb-audio nrpacks=1. Or use the module configuration line (e.g. in /etc/modprobe.conf): options snd-usb-audio nrpacks=1. Now invoke JACK with the following command (or entering the corresponding values into Qjackctl):
Solving Onboard and USB Sound Card Issues in Alsa
https://www.smarthomebeginner.com/solving-onboard-and-usb-sound-card-issues-in-alsa/
options snd-usb-audio index=-2. to. #options snd-usb-audio index=-2. This allows USB sound card to take the default card status. Reboot and you should have your USB sound card as default. My XBMC audio settings are now: DTS: Enable Dolby: Enable Audio: default (ALSA) Passthrogh: default (ALSA)
Matrix:Module-usb-audio - AlsaProject
https://www.alsa-project.org/wiki/Matrix:Module-usb-audio
Below is the most basic definition (only example - not required to define at all). Make a file called .asoundrc in your home and/ or root directory: vi ~/.asoundrc. Copy and paste the following into the file, then save it: pcm.usb-audio { …
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