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How to configure alsa devices for USB Audio interface ...
https://www.linux.org/threads/how-to-configure-alsa-devices-for-usb-audio-interface.17908/
$ cat /proc/asound/card1/stream0 ESI NeON at usb-0000:00:1a.0-1.2, full speed : USB Audio Playback: Status: Running Interface = 1 Altset = 1 Packet Size = 288 Momentary freq = 48000 Hz (0x30.0000) Interface 1 Altset 1 Format: S24_3LE Channels: 2 Endpoint: 1 OUT (ADAPTIVE) Rates: 44100, 48000 Capture: Status: Running Interface = 2 Altset = 1 Packet Size …
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
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 { type hw card 0 } …
Configure Raspberry pi with USB Audio · GitHub
https://gist.github.com/rnagarajanmca/63badce0fe0e2ad126041c7c139970ea
Configure USB Audio device as default device We can configure default audio devices using Alsa . Advanced Linux Sound Architecture (ALSA) is a software framework is part of the linux so we should be able to modify the conf file and set the default audio device Use Alsa Configuration file will be available under /etc/modprobe.d/alsa-base.conf.
Usb-audio - Alsa Opensrc Org - Independent ALSA and …
https://alsa.opensrc.org/Usb-audio
The default alsa_usb config can be used as the codes are 0x0d for Mute, 0x0f for Vol- and 0x10 for Vol+. These are identical to the remote identified by name RM-1500 (Not Creative_RM-1500) cp /usr/share/lirc/remotes/creative/lircd.conf.alsa_usb /etc/lircd.conf Lirc needs to …
USB card as my default Audio Device - Raspberry Pi Stack ...
https://raspberrypi.stackexchange.com/questions/19705/usb-card-as-my-default-audio-device
$ sudo nano /etc/modprobe.d/alsa-base.conf. and changing the index from -2 to 0 via adding options snd-usb-audio index=0 to the file. However, this wasn't working. The correct way to do it is to add options snd-usb-audio index=0 followed by options snd_bcm2835 index=1.
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