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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
If you have already gone into /etc/modprobe.d/alsa-base.conf and changed options snd-usb-audio index=-2 to options snd-usb-audio index=0 then: First: sudo nano ~/.asoundrc. Second: Add . pcm.!default { type hw card 0 } ctl.!default { type hw card 0 …
Using a USB Audio Device With a Raspberry Pi
https://computers.tutsplus.com/articles/using-a-usb-audio-device-with-a-raspberry-pi--mac-55876
# options snd-usb-audio index=-2 Simply commenting out the line will allow the USB audio device to be the primary method of output. Step 5. Press Ctrl Z and save the changes, then restart your Raspberry Pi by entering: $ sudo reboot Step 6. With the Raspberry Pi restarted, re-run the following command: $ amixer
Updating ALSA Config | USB Audio Cards with a …
https://learn.adafruit.com/usb-audio-cards-with-a-raspberry-pi/updating-alsa-config
sudo nano /etc/modprobe.d/alsa-base.conf. For all but the most recent Raspbian Wheezy releases, look for the line that reads: #options snd-usb-audio index=0. Change this to: options snd-usb-audio index=0. Note we removed the # at the start of the line. For the latest Raspbian Wheezy versions, look for this line instead: options snd-usb-audio index=-2
Solving Onboard and USB Sound Card Issues in Alsa
https://www.smarthomebeginner.com/solving-onboard-and-usb-sound-card-issues-in-alsa/
sudo nano /etc/modprobe.d/alsa-base.conf. Add the following line: # autoloader aliases install sound-slot-0 /sbin/modprobe snd_usb_audio. If you do not need the remaining "autoloader aliases" lines for other sound slots then comment them out. All I have is the one line mentioned above. Then change the following line: options snd-usb-audio index=-2. to. …
18.04 - Audio devices not being autodetected - Ask Ubuntu
https://askubuntu.com/questions/1090653/audio-devices-not-being-autodetected
Running sudo modprobe snd_hda_intel got my motherboard's sound device to immediately show up in pulseaudio, and sudo modprobe snd_usb_audio got my USB audio devices working as well. I haven't edited any audio configuration files recently, but I'd like to get this working automatically so that Ubuntu will load the proper kernel modules at boot ...
14.04 - usb audio interface not recognized by alsa - Ask ...
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 …
audio - modprobe: ERROR: could not insert 'snd_aloop': …
https://stackoverflow.com/questions/39670007/modprobe-error-could-not-insert-snd-aloop-no-such-device
The index option of a sound driver specifies the card number it should use. However, this does not work if another driver is already loaded at the same index. So you have to set matching index options on all drivers that are used (and might be used in the future, such as USB audio).. A better idea is to drop all index options, and to use the slots options of the snd …
USB External DAC for Sound - Linux Mint Forums
https://forums.linuxmint.com/viewtopic.php?t=141786
To load and activate it, you'd do sudo modprobe snd_usb_audio. If you want it to load automatically at boot, you'd add the snd_usb_audio part to the /etc/modules file. Linux counter #317716
Getting Audio Out Working on the Raspberry Pi
https://projects-raspberry.com/getting-audio-out-working-on-the-raspberry-pi/
snd-bcm2835 is the sound driver. If lsmod doesn’t list the snd-bcn2835 module, then it can be installed via the following command: sudo modprobe snd-bcm2835. Enabling Audio Output. By default, the RPi audio output is set to automatically select the digital HDMI interface if its being used, otherwise the analog audio output.
Audio out via USB DAC · Issue #40 · dtcooper/raspotify ...
https://github.com/dtcooper/raspotify/issues/40
sudo nano /etc/modprobe.d/alsa-blacklist.conf. add blacklist snd_bcm2835. save & close reboot. sudo nano /etc/modprobe.d/alsa-base.conf. add options snd-usb-audio index=0. save & close reboot. You should see now only your Bose USB Audio DAC when you type in aplay -l. Delete all the additional options in the raspotify file and reboot. Hope this works for you.
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