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PulseAudio | PulseAudio documentation
https://core.docs.ubuntu.com/en/stacks/audio/pulseaudio/docs/#:~:text=PulseAudio%20works%20as%20a%20proxy%20to%20ALSA%20so,Ubuntu%20Kernel%20comes%20with%20all%20this%20already%20enabled.
How to reset PulseAudio and ALSA on Ubuntu …
https://www.mind-overflow.net/post/how-to-reset-pulseaudio-and-alsa-on-ubuntu/
The very simple process 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/
1. First let’s remove PulseAudio from your Ubuntu OS. I don’t remember since when Ubuntu used to come installed it by default, but for the recent versions such as: 12.04 Precise Pangolin, 11.10 Oneiric Ocelot, 11.04 Natty Narwhal, 10.10 and 10.04 the below command should remove it. sudo apt-get autoremove pulseaudio 2.
PulseAudio - Ubuntu Wiki
https://wiki.ubuntu.com/PulseAudio
Using A Lubuntu 16.04 (and older) LiveUSB/CD Because Lubuntu 16.04 does not use pulseaudio, it can be useful in determining whether an audio issue is caused by pulseaudio, the ALSA driver, or another program. If the issue still occurs in a Lubuntu environment, pulseaudio is probably not causing it. Note: Modern Lubuntu does use pulseaudio.
How to Use PulseAudio to Manage Sounds on Ubuntu 18.04
https://linuxhint.com/pulse_audio_sounds_ubuntu/
Ubuntu 18.04 LTS uses ALSA for sound management by default. You can easily replace it with PulseAudio sound server. PulseAudio is available in the official package repository. So it’s easy to install. You can install PulseAudio with the following command: $ sudo apt install pulseaudio Now press y and then press <Enter>.
How do I open PulseAudio in Ubuntu?
https://frameboxxindore.com/linux/how-do-i-open-pulseaudio-in-ubuntu.html
PulseAudio is a sound server for POSIX and Win32 systems. A sound server is basically a proxy for your sound applications. It allows you to do advanced operations on your sound data as it passes between your application and your hardware. Does Ubuntu use PulseAudio? Ubuntu uses both ALSA, and Pulseaudio for controlling sound input and output.
What is PulseAudio Ubuntu? - frameboxxindore.com
https://frameboxxindore.com/linux/what-is-pulseaudio-ubuntu.html
Open the /etc/pulse/client. conf file to enable PulseAudio for all users. 3. Call pulseaudio –start to start the PulseAudio daemon. How do I open PulseAudio in Ubuntu? It is available in the official package repository of Ubuntu 18.04 LTS, but not installed by default. Now press y and then press <Enter> to continue.
Audio/Alsamixer - Ubuntu Wiki
https://wiki.ubuntu.com/Audio/Alsamixer
Audio/Alsamixer - Ubuntu Wiki PulseAudio controls underlying ALSA-level volume controls. To change the ALSA-level volume controls directly, you can do the following: Open a terminal. (The quickest way is the Ctrl-Alt-T shortcut.) Enter "alsamixer" and press the Enter key. You will now see a user interface.
How to Restart PulseAudio Sound Server in Ubuntu Linux?
https://www.hecticgeek.com/how-to-restart-pulseaudio-sound-server-ubuntu-linux/
PulseAudio is the default sound server used in Ubuntu these days (including many other GNU/Linux distributions). Although I usually end up having troubles with it thus I just use ALSA instead. But many like it for its versatile features.
PulseAudio - Official Kodi Wiki
https://kodi.wiki/view/PulseAudio
Audio devices are disappearing with pulseaudio 8.0 (Ubuntu 16.04, even later version are affected) especially while running kodi and while using Adjust Refreshrate to match video. This is an issue with the module-switch-on-port-available module and will be fixed with pulseaudio 9.0, the fix sadly won't probably make it into Ubuntu 16.04.
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