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How to use the audio gadget driver - RidgeRun Developer ...
https://developer.ridgerun.com/wiki/index.php/How_to_use_the_audio_gadget_driver#:~:text=In%20order%20to%20test%20it%20you%20can%20connect,the%20you%20will%20get%20an%20output%20like%20this
USB Audio Support - Linux USB
http://www.linux-usb.org/USB-guide/x319.html
You can test your installation by dumping some random data out to the audio interface, using a command like cat /bin/bash > /dev/dsp. USB audio is integrated into the normal Linux sound architecture, and most tools should work fine with USB speakers. See the Sound HOWTO for more details and suggestions.
How to test microphone with Audio Linux Sound Architecture ...
https://linuxconfig.org/how-to-test-microphone-with-audio-linux-sound-architecture-alsa
How to test microphone step by step instructions. First step is obtain a list of all microphone devices. To do so execute: # arecord -l **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC662 rev3 Analog [ALC662 rev3 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 2: ALC662 rev3 Alt Analog …
USB Testing on Linux
http://www.linux-usb.org/usbtest/
Set up USB test host, running MS-Windows and USBCV Set up USB test device, running Linux 2.4 or 2.6. Load Gadget Zero ("modprobe g_zero"), or some other driver you want to verify. If you're using gadget zero, load it with "autoresume=5" to make sure the tests address suspend and remote wakeup. Run USBCV chapter 9, and maybe OTG, tests. All should pass.
Linux: How to determine your audio card's, or USB mic's ...
http://www.voxforge.org/home/docs/faq/faq/linux-how-to-determine-your-audio-cards-or-usb-mics-maximum-sampling-rate
Linux: How to determine your audio card's, or USB mic's, maximum sampling rate. To submit audio to VoxForge, you need to make sure you Sound Card and your Device driver both support a 48kHz sampling at 16 bits per sample. You can use arecord, the command-line sound recorder (and player) for the ALSA sound-card driver.
Linux and USB Audio Class 2 (UAC2) external DACs. Can it ...
https://bbs.archlinux.org/viewtopic.php?id=252602
Linux certainly does support UAC2 [1] and I'm pretty sure that it will be selected automatically as long as your device is recognised. But I don't know how to verify that, unfortunately. If your DAC has an indicator for the sample rate then you can test for 192KHz reproduction with: speaker-test -r 192000
Gadget Testing — The Linux Kernel documentation
https://www.kernel.org/doc/html/latest/usb/gadget-testing.html
device: run the gadget host: aplay -l # should list our USB Audio Gadget This function does not require real hardware support, it just sends a stream of audio data to/from the host. In order to actually hear something at the device side, a command similar …
Troubleshooting Linux Sound
http://troubleshooters.com/linux/sound/sound_troubleshooting.htm
The penny test is a test to test your speakers, from the plug that goes into your sound card right through the electronics and speaker drivers. Here's the penny test: Unplug your speakers from the computer (but not from the wall), and rub an American penny or other copper coin along the side of the speaker plug.
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 …
How to use the audio gadget driver - RidgeRun Developer ...
https://developer.ridgerun.com/wiki/index.php/How_to_use_the_audio_gadget_driver
So you can see that the board as been detected as a Linux USB Audio Gadget with ID 1. Now we can playback an audio file using the audio gadget device by running the following command: aplay -D plug:hw:1 audio_file.wav. Be aware that you must use the same hardware ID we got for the gadget device.
Audio interface for Linux? : linuxaudio - reddit
https://www.reddit.com/r/linuxaudio/comments/jbckrt/audio_interface_for_linux/
Any interface that is a USB compliant audio device will work in linux with no extra software. Focusrite scarlett is usb 2.0 compliant and had a great mic preamp. I used it before I was even on linux tho, so I'm not a scarlett apologist. Lol. Now, whether a device is …
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