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How to Use ALSA Utilities to Manage Linux Audio from …
https://www.maketecheasier.com/alsa-utilities-manage-linux-audio-command-line/
alsa - | linux commands examples
http://www.linux-commands-examples.com/alsa
If you don't have a configuration file, ALSA applications will use /proc/asound/card0 as the default sound device. You can check what verison of ALSA you're running here '/proc/asound/version'. Each sound device has a bunch of 'pcms' associated with it. Each pcm is basically an output channel: "front", "rear", "surround41", "surround51", etc.
Configuring Linux sound services with ALSA | TechRepublic
https://www.techrepublic.com/article/configuring-linux-sound-services-with-alsa/
With ALSA, either the console-based alsamix utility or the gtk-based gamix may be used to control sound volume and recording settings for your system. If you run GMIX (the GNOME mixer tool), simply...
Sound configuration on Raspberry Pi with ALSA
http://blog.scphillips.com/posts/2013/01/sound-configuration-on-raspberry-pi-with-alsa/
A slightly hacky way of doing this is to execute these commands: $ sudo mv /etc/rc0.d/K01alsa-utils /etc/rc0.d/k01alsa-utils $ sudo mv /etc/rc0.d/K06alsa-utils /etc/rc6.d/k01alsa-utils Note that the files have been renamed to have a lowercase “k” at the start.
Alsa-sound-mini-HOWTO: Testing and using
https://tldp.org/HOWTO/Alsa-sound-6.html
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 - the control device for card 0
Noob’s Guide to Linux Audio: ALSA, OSS, and Pulse Audio ...
https://linuxhint.com/guide_linux_audio/
Alsamixer runs in the terminal, and you can invoke it just by typing its name. One particularly useful keyboard command is activated by hitting the M key. This command toggles channel muting, and it’s a fairly common fix to many questions posted on Linux discussion boards. Open Sound System (OSS)
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