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Updating ALSA Config | USB Audio Cards with a …
https://learn.adafruit.com/usb-audio-cards-with-a-raspberry-pi/updating-alsa-config
Raspbian Stretch - Updating alsa options. All we have to do is tell Raspbian to look at "card #1" for the default audio. Card #0 is the built in audio, so this is fairly straightforward. Tun sudo nano /usr/share/alsa/alsa.conf and look for the following two lines: Change both “0” to “1” and then save the file. That’s it!
USB Audio, alsa-base.conf (file not found) - RetroPie Forum
https://retropie.org.uk/forum/topic/7184/usb-audio-alsa-base-conf-file-not-found
All the relevent text is in that file just run sudo nano /usr/share/alsa/alsa.conf change the default sound card to 1 or whatever one you prefer obviously 0 is default so not that one i also deleted the # from the line that says... load card-specific configuration files (on request) and now i have the sound coming from my cirrus audio card ...
How to Assign USB Audio as primary sound device in …
https://www.crunchbang.org/forums/viewtopic.php?id=9852
Note: Original alsa-base.conf: ... ALSA config will not make USB the default sound card, so this tells method tells ALSA, USB audio is what you want it to use. NOTE 2: PCM still needs to be checked in the Alsa Mixer. NOTE 3: The volume icon will now show up in Tint2 (needs to be unmuted) - reboot may be required. ...
linux - Where is alsa-base.conf located in Debian 10 ...
https://unix.stackexchange.com/questions/535516/where-is-alsa-base-conf-located-in-debian-10
Thanks for this. I've been going nuts as to why all my usb audio devices were no longer seen and this gave me the idea. Created my own .conf file in /etc/modprobe.d containing just options snd-usb-audio index=0,1 options snd-hda-intel index=2,3 and lo and behold all audio devices were in play again.
raspbian - Audio and microphone configuration of usb sound ...
https://raspberrypi.stackexchange.com/questions/28158/audio-and-microphone-configuration-of-usb-sound-card-on-r-pi
To configure audio of soundcard I did the following settings: sudo nano /etc/modprobe.d/alsa-base.conf I commented options snd-usb-audio index=-2 and added options ...
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