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How to configure alsa devices for USB Audio ... - Linux.org
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 …
Alsa Opensrc Org - Independent ALSA and linux audio ...
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 …
Guide to using M-Audio Audiophile USB with ALSA and …
https://www.kernel.org/doc/html/v4.11/sound/cards/audiophile-usb.html
Audio functions of the Audiophile USB device are handled by the snd-usb-audio module. This module can work in a default mode (without any device-specific parameter), or in an “advanced” mode with the device-specific parameter called device_setup. Default Alsa driver mode¶ The default behavior of the snd-usb-audio driver is to list the device
USB Audio - Linux/Alsa -> illegal device name · Issue #13 ...
https://github.com/gusmanb/PSVRFramework/issues/13
Using alsa to stream USB from laptop and RPi connected to HDMI, USB would cut in/out according to HDMI. Work around was to stream '/dev/zero' from RPi, IIRC something like: $ cat /dev/zero | aplay -c 2 -f S16_LE -r 48000 Owner gusmanb commented on Nov 11, 2016 Confirmed, if no HDMI audio is output the USB audio device stops playing.
Matrix:Module-usb-audio - AlsaProject
https://www.alsa-project.org/wiki/Matrix:Module-usb-audio
Make a directory to store the alsa source code in: cd /usr/src mkdir alsa cd alsa cp /downloads/alsa-* . Now unzip and install the alsa-driver package: bunzip2 alsa-driver-xxx tar -xf alsa-driver-xxx cd alsa-driver-xxx ./configure --with-cards=usb-audio --with-sequencer=yes ; make ; …
Alsa – Linux Audio Foundation
https://linuxaudiofoundation.org/category/alsa/
# alsa must be installed and should recognize your usb dac (command: aplay -l ) # get the img from armbian repository # burn it on SDCARD (8GB is enough) with any tool like Win32DiskImager app on Windows # connect your usb DAC to Odroid C4 # boot # and start the ssh session # default login/pass root/odroid or root/1234
linux - How to play audio via a USB sound card using c++ ...
https://stackoverflow.com/questions/44395231/how-to-play-audio-via-a-usb-sound-card-using-c-libao-alsa-on-raspberry-pi
$sudo vim /usr/share/alsa/alsa.conf defaults.ctl.card 0 defaults.pcm.card 0 to $sudo vim /usr/share/alsa/alsa.conf defaults.ctl.card 1 defaults.pcm.card 1 1.3) Change audio levels/setting using alsamixer utility $alsamixer 1.4) Command to record audio $arecord -D plughw:1 -f S16_LE -r 48000 -d 5 ./testSound.wav 1.5) Command to play recorded audio
How do I use a USB headset with Alsa? - …
https://www.linuxquestions.org/questions/slackware-14/how-do-i-use-a-usb-headset-with-alsa-4175542418/
This will make sure that the device IDs with alsa stay the same whether or not you have the USB headset plugged in when booting. Are you looking to actually have audio outputted to both the headset and the laptop at the same time or just change from the laptop speakers to the headset when the headset is plugged in?
Linux, ALSA, and external DACs | Super Best Audio Friends
https://www.superbestaudiofriends.org/index.php?threads/linux-alsa-and-external-dacs.837/
Linux ALSA --> USB --> Gungnir Multibit --> AV Receiver --> HE560 Windows 7 --> Soundblaster Z --> TOSLINK --> Gungnir Multibit --> AV Receiver --> HE560 For Windows, I was up and running pretty quick. I just needed to toggle "Play stereo mix to digital output" to get SBX Pro Studio to output 3D sound into the Gungnir Multibit.
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