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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.
linux - How do ALSA and PulseAudio relate? - Super User
https://superuser.com/questions/144648/how-do-alsa-and-pulseaudio-relate
Kernel: ALSA -> Userland: PulseAudio -> app1, app2, app3. In the typical Linux system, PulseAudio mixes audio from all your different apps and feeds them up the chain to ALSA. ALSA: Kernel: ALSA -> dmix -> Userland: app1, app2, app3. With just pure ALSA, you need dmix to mix multiple apps.
Noob’s Guide to Linux Audio: ALSA, OSS, and Pulse Audio ...
https://linuxhint.com/guide_linux_audio/
PulseAudio was initially released in 2004, and it’s now included and enabled by default in Ubuntu, Linux Mint, openSUSE, and other major distributions. The job of PulseAudio is to pass sound data between your applications and your hardware, directing sounds coming from ALSA to various output destinations, such as your computer speakers or ...
Pulseaudio vs ALSA - Ubuntu Forums
https://ubuntuforums.org/showthread.php?t=1794581
Pulseaudio, as far as I know, can support multiple OSes. Alsa is Linux-only. An application developer can target Pulseaudio and the program will compile for BSD and Solaris as well as Linux. I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary.
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 …
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