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PURE ALSA

a guest Feb 15th, 2018 1,114 Never
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  1. Here is how to get sound on a minimal install without the insanity of pulseaudio:
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  3. 1. Erase .asoundrc in your home directory and asound.conf in /etc.
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  5. 2. Purge pulseaudio. And when I mean purge, I mean it.
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  7. 3. Identify your available devices in /proc/asound/modules, do:
  8. $ cat /proc/asound/modules
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  10. As an example here is my /proc/asound/modules:
  11. 0 snd_usb_audio
  12. 1 snd_hda_intel
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  14. 4. Select from the above and put them in the order you want in the file /etc/modprobe.d/alsa-base.conf, by assigning an index from -2 to 2, making the preferred output the lowest number. As I know I have two devices I want the one that says usb because that is my headphone, so in /etc/modprobe.d/alsa-base.conf I put:
  15. options snd_usb_audio enable=1 index=0
  16. options snd_hda_intel index=1
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  18. Notice the index.
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  20. 5. Restart the computer and you have perfect sound, as well in the browser.
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  23. __More ALSA stuff!__
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  25. Simple equalizer for ALSA https://inconsolation.wordpress.com/2014/08/31/alsaequal-not-omitted-by-any-means/
  26. Multiple sound sources with ALSA https://github.com/i-rinat/apulse
  27. Setting volume from the terminal with ALSA https://askubuntu.com/questions/77522/command-to-unmute-and-maximize-volume
  28. Capturing audio with ffmpeg and ALSA https://trac.ffmpeg.org/wiki/Capture/ALSA
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