Difference between revisions of "Status/Audio"

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(Created page with "== Current status == * Most devices should just work with ALSA, installing pulseaudio is possible, but it should be started in system mode - we're working on making that the...")
 
 
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== Current status ==
== Current status ==


* Most devices should just work with ALSA, installing pulseaudio is possible, but it should be started in system mode - we're working on making that the default.
* We have yet to figure out device policies: what to do on jack unplug, what to do on jack plug while listening to music, what to do on jack unplug when you're on a phone call, etc.
* We have yet to figure out device policies: what to do on jack unplug, what to do on jack plug while listening to music, what to do on jack unplug when you're on a phone call, etc.


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* https://wiki.archlinux.org/index.php/PulseAudio/Examples
* https://wiki.archlinux.org/index.php/PulseAudio/Examples
* https://unix.stackexchange.com/questions/115302/disable-headphone-jack-detection-in-pulseaudio
* https://unix.stackexchange.com/questions/115302/disable-headphone-jack-detection-in-pulseaudio
* https://wiki.merproject.org/wiki/Nemo/Audio
* (Fremantle/N900-specific) http://wiki.maemo.org/Porting/Audio/Q_and_A_RE-PA
* (Fremantle/N900-specific) https://blog.linuxplumbersconf.org/2009/slides/Jyri-Sarha-audio_miniconf_slides.pdf
Some more, not deduplicated with above list:
* https://github.com/werman/noise-suppression-for-voice
* https://fossies.org/linux/pulseaudio/src/modules/echo-cancel/webrtc.cc
* https://lists.freedesktop.org/archives/pulseaudio-discuss/2017-May/028188.html
* https://wiki.archlinux.org/title/PulseAudio/Troubleshooting#Audio_quality
* https://www.reddit.com/r/linux/comments/2yqfqp/just_found_that_pulseaudio_have_noise/
* https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/196
* https://github.com/werman/noise-suppression-for-voice
* https://www.linuxuprising.com/2020/09/how-to-enable-echo-noise-cancellation.html
* https://github.com/baresip/baresip/wiki/Using-PulseAudio:-module-echo-cancel
* https://blog.linuxplumbersconf.org/2009/slides/Jyri-Sarha-audio_miniconf_slides.pdf
* https://git.sailfishos.org/mer-core/pulseaudio-modules-nemo/tree/master/src/music
* https://git.sailfishos.org/mer-core/pulseaudio-policy-enforcement
* https://github.com/nemomobile/policy-settings-basic
* https://github.com/nemomobile/pulseaudio-settings-n900
* https://github.com/nemomobile/pulseaudio-module-cmtspeech-n9xx/commits/master
* https://wiki.merproject.org/wiki/Nemo/Audio
* http://wiki.maemo.org/Porting/Audio/Q_and_A_RE-PA
* https://github.com/baresip/baresip/wiki/Using-PulseAudio:-module-echo-cancel

Latest revision as of 12:58, 20 May 2021

Current status

  • We have yet to figure out device policies: what to do on jack unplug, what to do on jack plug while listening to music, what to do on jack unplug when you're on a phone call, etc.

Development notes

For each device, we'll need to create usable Alsa UCM files. And we'll need to learn a bunch about pulseaudio's routing and policy management, how to act on certain plug events, etc.

Unsorted (useful) links:

Some more, not deduplicated with above list:


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