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PulseAudio - Wikipedia
https://en.m.wikipedia.org/wiki/PulseAudio#:~:text=In%20broad%20terms%20ALSA%20is%20a%20kernel%20subsystem,more%20sources%20%28processes%2C%20capture%20devices%2C%20etc.%29%20is%20created.
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 - ALSA vs PulseAudio - Latency Concerns - Stack …
https://stackoverflow.com/questions/29245583/alsa-vs-pulseaudio-latency-concerns
It's to my understanding that ALSA is relatively low-level, and talks directly to the hardware, while PulseAudio sits on top of ALSA as a service. Additionally, it's to my understanding that ALSA is tied to Linux, but PulseAudio just acts as an abstraction layer on top of ALSA, and can work on other platforms.
Pulse Audio vs ALSA vs audio server vs audio device driver ...
https://unix.stackexchange.com/questions/631746/pulse-audio-vs-alsa-vs-audio-server-vs-audio-device-driver
ALSA contains the actual device drivers (in the kernel source), and a library to access those drivers. You use sound perfectly fine with just ALSA alone. PulseAudio implements an additional audio routing level on top of ALSA, including volumes and conversions. Most distros use the PulseAudio + ALSA combo as the default.
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.
linux - PulseAudio vs ALSA: Multiple Soundcards - Stack ...
https://stackoverflow.com/questions/8320669/pulseaudio-vs-alsa-multiple-soundcards
If ALSA recognizes your sound cards then you can try to add them to PulseAudio manually with pacmd load-module module-alsa-sink device=hw:x,y where x and y is the device, subevice pair of aplay -l. If it works correctly then you can append these commands to the default configuration of PulseAudio ( /etc/pulse/default.pa ).
Pulseaudio vs ALSA - Linux Mint Forums
https://forums.linuxmint.com/viewtopic.php?t=362319
Of hardware hence ALSA-level issues which can at most be said to be triggered from PulseAudio; clearly unsurprising with PulseAudio the practically only direct user of ALSA left on a standard system. As a (more or less so) PulseAudio-level issue there's really only the hotplug/ordering issue, particularly involving HDMI/DP.
linux - How do ALSA and PulseAudio relate? - Super User
https://superuser.com/questions/144648/how-do-alsa-and-pulseaudio-relate
ALSA is the kernel level sound mixer, it manages your sound card directly. ALSA by itself can only handle one application at a time. Of course, there is 'dmix', which was written to solve this problem. (It's an ALSA module.) PulseAudio is a software mixer, on top of the userland (like you'd run an app).
What is the difference between alsa and pulseaudio? - …
https://www.quora.com/What-is-the-difference-between-alsa-and-pulseaudio
Pulse is an audio server and does mixing, then outputs to Alsa. Without it or JACK you can have one audio source at a time. Alsa is a low level audio interface/driver system. It doesn’t do much more than outputting audio to the right card.
Noob’s Guide to Linux Audio: ALSA, OSS, and Pulse Audio ...
https://linuxhint.com/guide_linux_audio/
If you feel that you have no use for the features provided by PulseAudio, you can either use pure ALSA or replace it with a different sound server. PulseAudio vs. JACK. PulseAudio isn’t the only sound server for Linux. There’s also JACK, which is a …
sound - How can I tell if I'm using alsa or pulse-audio by ...
https://askubuntu.com/questions/426983/how-can-i-tell-if-im-using-alsa-or-pulse-audio-by-default-switching-to-i3-wm
PulseAudio: pactl list ALSA: aplay -l Both will give an error if the sound system is not running. ALSA will be loaded with the kernel, PulseAudio will be started later. If this was not the case we can start PulseAudio manually from the terminal with: pulseaudio [options] ## option -D starts the daemon
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