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How to reset PulseAudio and ALSA on Ubuntu …
https://www.mind-overflow.net/post/how-to-reset-pulseaudio-and-alsa-on-ubuntu/
As long as your audio configuration and settings were working when you installed Ubuntu, and the malfunctioning state is caused by your misconfiguration and/or fault, restoring the audio driver to default state might actually be helpful. First of all, completely purge and remove your pulseaudio and alsa packages by running:
What is the relation between ALSA and PulseAudio sound ...
https://askubuntu.com/questions/581128/what-is-the-relation-between-alsa-and-pulseaudio-sound-architecture
ALSA is unable by itself to be used by multiple applications, so PulseAudio provides this functionality among others. Summarized: ALSA - dealing with the hardware, basically owning it PulseAudio - a software proxy providing additional featues (mixing, equalizer) between your application and the ALSA/OSS subsystem
How to Remove PulseAudio & use ALSA in Ubuntu Linux?
https://www.hecticgeek.com/how-to-remove-pulseaudio-use-alsa-ubuntu-linux/
PulseAudio is a powerful cross-platform (meaning that it can be used on different operating system environments) sound server. You can use it to directly access your audio hardware and carry the audio signals to output devices. Or because of the way it’s designed, you can use it as an a front-end for the existing, much older and mature sound servers, such as …
pulseaudio - ALSA Loopback not recording system audio on ...
https://unix.stackexchange.com/questions/550207/alsa-loopback-not-recording-system-audio-on-xubuntu-18-04-in-ffmpeg-command
By using the ALSA device name, it did not hang on Xubuntu 19.10, etc. ... (capture) pulse PulseAudio Sound Server sysdefault:CARD=Loopback Loopback, Loopback PCM Default Audio Device front:CARD=Loopback,DEV=0 Loopback, Loopback PCM Front speakers surround21:CARD=Loopback,DEV=0 Loopback, Loopback PCM 2.1 Surround output to Front …
Ubuntu – Xubuntu 18.04 – No sound – iTecTec
https://itectec.com/ubuntu/ubuntu-xubuntu-18-04-no-sound/
18.04 alsa pulseaudio sound xubuntu. I'm new to Linux, been using it for less than a year. Loving it so much, accept of the fact that I have no sound on my laptop. It seems to be a known bug concerning Intel sound card and Pulseaudio. Had it on previous version – Xubuntu 16.04, and tried to use the patch, but it's a bit too complex for me.
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