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speaker-test(1) — Arch manual pages - Arch Linux
https://man.archlinux.org/man/extra/alsa-utils/speaker-test.1.en
in the above example, there are four devices listed: null, default, front and surround40. So, if you want to test the last device you can run speaker-test -Dsurround40:ICH5 -c 6. The -c option will indicate that the six audio channels in the device have to be tested. OPTIONS-c | --channels NUM NUM channels in stream -D | --device NAME
Troubleshooting Linux Sound
http://troubleshooters.com/linux/sound/sound_troubleshooting.htm
NEVER test audio wearing headphones! ... If you have more than 2 channels, put the number of channels in the -c argument. What I like about speaker-test is that it doesn't depend on Firefox, Youtube, mplayer, or anything else that, in and of ... Linux sound is much easier to both understand and troubleshoot when you know what a working system ...
Advanced Audio Control on Linux - HowtoForge
https://www.howtoforge.com/tutorial/advanced-audio-control-on-linux/
Linux audio control is as messed up as the Linux audio system structure. Long story short, after many years of development, the default sound control tools look like this: The default and only option of setting the volume level may be enough for the majority of users out there, but it certainly isn't the best when you want to set specific audio ...
Speaker-test - Independent ALSA and linux audio support site
https://alsa.opensrc.org/Speaker-test
now in order to test the specific card and device type commands like: speaker-test -Dsurround51:Live -c6 -twav. or you can use something like this. mplayer -ao alsa:device=hw=Live.0 /1.mp3 -af channels=6:2:0:1:0:2. this means:
Left-Right Channel Audio Test - YouTube
https://www.youtube.com/watch?v=M05w0gIDQVM
This tests to see if your left and right channels are properly patched. Audio outputs from the channel the graphic is dictating (alternates left-right).
Left / Right Stereo Sound Test (Online) - Audio Check
https://www.audiocheck.net/audiotests_stereo.php
A simple stereo test which checks if your speakers are correctly associated with their respective channels. When your audio connectors are color-coded, red is associated with the Right channel, by convention. It won't sound any better, but will help you to make the "right" choice when your audio cables are in a mess!
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