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Alsa-sound-mini-HOWTO: Testing and using
https://tldp.org/HOWTO/Alsa-sound-6.html
6.3 The /dev/snd/ devices. The alsa drivers have native sound-devices in the /dev/snd/ directory. If you have one card you might see the following devices: /dev/snd/pcmC0D0 - the raw audio device for the card /dev/snd/mixerC0D0 - the mixer for card 0 /dev/snd/controlC0D0 - …
Alsa Opensrc Org - Independent ALSA and linux audio ...
https://alsa.opensrc.org/Udev
Query information about your audio devices. You can use udevadm for that. Example: # udevadm info -a -p `udevadm info -q path -n /dev/audio` will starts with the device specified by the devpath and then walks up the chain of parent devices. It prints for every device found, all possible attributes in the udev rules key format.
AlsaProject
https://alsa-project.org/wiki/Main_Page
The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system. ALSA has the following significant features: Efficient support for all types of audio interfaces, from consumer sound cards to professional multichannel audio interfaces. Fully modularized sound drivers.
DeviceNames - AlsaProject
https://www.alsa-project.org/main/index.php/DeviceNames
Playback device names default. This is the recommended device name for most applications. The default device will usually use Pulseaudio or dmix, i.e. software mixing, which ensures that your application won't prevent other audio applications from working at the same time, in case the hardware doesn't provide mixing support itself.
c - ALSA equivalent to /dev/audio dump? - Stack Overflow
https://stackoverflow.com/questions/11347346/alsa-equivalent-to-dev-audio-dump
Now, I came to understand that /dev/audio was something done by OSS, and is no longer supported on newer (ALSA) machines. Sure enough, my laptop (running a current Linux Mint) does not have this device. So apparently I have to use ALSA instead. Searching the web, I've found a couple of tutorials, and they pretty much blow my mind.
ALSA: No /dev/dsp and /dev/sound/ [SOLVED] / Multimedia ...
https://bbs.archlinux.org/viewtopic.php?id=99234
snd_pcm_oss provides the /dev/dsp and /dev/sound/dsp stuff. Blacklisting those modules does indeed remove the devices. alsa-oss is simply a program that hooks calls to e.g. /dev/dsp and emulates the OSS api using alsa. In that case you do not need /dev/dsp, etc.
Finding all the devices I can use to play PCM with ALSA
https://stackoverflow.com/questions/6866103/finding-all-the-devices-i-can-use-to-play-pcm-with-alsa
Then I need to use these devices to capture and plaback the audio. What I have done is pretty simple. There is a linux/unix command which is used to find the devices through alsa utility in linux. It is: aplay -l. Now what I did is just …
sound - How to list/access all the available audio input ...
https://askubuntu.com/questions/891623/how-to-list-access-all-the-available-audio-input-and-output-ports-channels-of-a
As we can see, my external soundcard M-Audio is listed as an ALSA card here, which means it is being detected properly. ... USB Audio Default Audio Device front:CARD=Eight,DEV=0 M-Track Eight, USB Audio Front speakers surround21:CARD=Eight,DEV=0 M-Track Eight, USB Audio 2.1 Surround output to Front and Subwoofer speakers surround40:CARD=Eight ...
arecord: Linux Command to List all Soundcards and …
https://www.cyberciti.biz/tips/howto-display-soundcards-digital-audio-devices.html
H ere is a quick way to list all detected and working soundcards on a Linux based system. Just use the arecord command line sound recorder and player for ALSA soundcard driver. The -l option List all soundcards and digital audio devices. The -L option list all PCMs defined. The information obtained from following command can be used to play various media …
Alsa-sound-mini-HOWTO: Testing and using
https://tldp.org/HOWTO/Alsa-sound-6.html
6.3 The /dev/snd/ devices. The alsa drivers have native sound-devices in the /dev/snd/ directory. If you have one card you might see the following devices: /dev/snd/pcmC0D0 - the raw audio device for the card /dev/snd/mixerC0D0 - the mixer for card 0 /dev/snd/controlC0D0 - …
Alsa Opensrc Org - Independent ALSA and linux audio ...
https://alsa.opensrc.org/Udev
Query information about your audio devices. You can use udevadm for that. Example: # udevadm info -a -p `udevadm info -q path -n /dev/audio` will starts with the device specified by the devpath and then walks up the chain of parent devices. It prints for every device found, all possible attributes in the udev rules key format.
Alsa Opensrc Org - Independent ALSA and linux audio ...
https://alsa.opensrc.org/Device
An ALSA device is more specifically a physical or virtual object for which ALSA provides device drivers to access and control its functionality. With ALSA providing the interface to the sound hardware, it is no longer necessary for users (and application programmers) to worry about the kernel devices as presented in the '/dev/' filesystem; ALSA ...
sound - How to list/access all the available audio input ...
https://askubuntu.com/questions/891623/how-to-list-access-all-the-available-audio-input-and-output-ports-channels-of-a
As we can see, my external soundcard M-Audio is listed as an ALSA card here, which means it is being detected properly. ... USB Audio Default Audio Device front:CARD=Eight,DEV=0 M-Track Eight, USB Audio Front speakers surround21:CARD=Eight,DEV=0 M-Track Eight, USB Audio 2.1 Surround output to Front and Subwoofer speakers surround40:CARD=Eight ...
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