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pulse audio - How do I run pulseaudio with realtime ...
https://superuser.com/questions/40429/how-do-i-run-pulseaudio-with-realtime-priority-in-ubuntu-9-04
$ pulseaudio -vvv --start --realtime=1 D: main.c: Started as real root: no, suid root: yes I: main.c: PolicyKit refuses acquire-high-priority privilege. I: main.c: PolicyKit refuses acquire-real-time privilege. I: main.c: Called SUID root and real-time and/or high-priority scheduling was requested in the configuration.
sound - Realtime noise-removal with PulseAudio? - Ask …
https://askubuntu.com/questions/18958/realtime-noise-removal-with-pulseaudio
Pulseaudio module module-echo-cancel. I started reading a lot about PulseAudio and "hidden" options it had so I could find one that was similar to this question. The one I found was the noise-cancellation module, which is one that dramatically lowers any static noise on the microphone and even A LOT of the background noise, basically giving you the benefit of only recording your …
Ubuntu – Realtime noise-removal with PulseAudio – …
https://itectec.com/ubuntu/ubuntu-realtime-noise-removal-with-pulseaudio/
Pulseaudio module module-echo-cancel. I started reading a lot about PulseAudio and "hidden" options it had so I could find one that was similar to this question. The one I found was the noise-cancellation module, which is one that dramatically lowers any static noise on the microphone and even A LOT of the background noise, basically giving you the benefit of only recording your …
Ubuntu Manpage: pulseaudio - The PulseAudio Sound System
https://manpages.ubuntu.com/manpages/xenial/man1/pulseaudio.1.html
To minimize the risk PulseAudio by default does not enable real-time scheduling. It is however recommended to enable it on trusted systems. To do that start PulseAudio with --realtime (see above) or enabled the appropriate option in daemon.conf. Since acquiring realtime scheduling is a privileged operation on most systems, some special changes to the system configuration need …
Ubuntu Manpage: pulseaudio - The PulseAudio Sound System
https://manpages.ubuntu.com/manpages/focal/man1/pulseaudio.1.html
--realtime[=BOOL] Try to acquire a real-time scheduling for PulseAudio's I/O threads. This will only succeed if the calling user has a non-zero RLIMIT_RTPRIO resource limit set (on systems that support this), or rtkit is available and allows PulseAudio to enable real-time scheduling, or we are configured to be run as system daemon (see --system above).
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