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Detect Sound Output in Linux and Use It to Call a Program - Howch…

https://howchoo.com/linux/how-to-detect-that-audio-is-currently-being-output-in-linux-and-use-it-to-call-a-program#:~:text=How%20to%20Detect%20Sound%20Output%20in%20Linux%20and,at%20boot%205%20Reboot%20your%20Pi%20to%20test%21

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arecord: Linux Command to List all Soundcards and …

https://www.cyberciti.biz/tips/howto-display-soundcards-digital-audio-devices.html

arecord: Linux Command to List all Soundcards and Digital Audio Devices. H ere is a quick way to list all detected and working soundcards on a …

linux mint - Sound device not detected - Unix & Linux ...

https://unix.stackexchange.com/questions/456527/sound-device-not-detected

I was using Linux Mint 18.3 Cinnamon, and now I have a fresh Linux Mint 19 Cinnamon. My / and /home directories were separate, so I left my /home from previous OS. My problem is that my Sound settings are not detecting sound device. Even after fresh install the problem still occurs. I have tried this, this, and this, but couldn't solve the problem.

Linux Mint identify, fix sound problems, set default device

https://blog.softhints.com/linux-mint-identify-fix-sound-problems/

You can find all devices for the current machine by: Menu; Preferences; Sound; There you will see all hardware device. No matter are they enabled or no. If you want to check only the enabled devices you can start Pulse Audio: Menu; Sound & Video; PulseAudio Volume Control; Here you can find the enabled input and output sound devices.

How to detect that the sound is currently playing in Linux?

https://stackoverflow.com/questions/17404443/how-to-detect-that-the-sound-is-currently-playing-in-linux

I use ALSA. I want to prevent PC to suspend while a sound is played. I use this bash code to run a screen locker and a suspend command: # Run a screen locker. #xautolock -time 5 -locker slimlock & # Run suspend #xautolock -time 6 -locker 'systemctl suspend' & I want to detect that sound or video is played and prevent PC to suspend.

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