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sound - PulseAudio is recording in slow mo - Ask Ubuntu
https://askubuntu.com/questions/935077/pulseaudio-is-recording-in-slow-mo
sound - PulseAudio is recording in slow mo - Ask Ubuntu PulseAudio is recording in slow mo 2 When I try to record my voice by micrphone, the software is start working in "slow motion". Audacity is lagging at the moment of record, terminal arecord -f cd -d 1 test-mic.wav is the same result. 1 second of record take around 10 seconds in real time.
How to reset PulseAudio and ALSA on Ubuntu …
https://www.mind-overflow.net/post/how-to-reset-pulseaudio-and-alsa-on-ubuntu/
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:
How to Use PulseAudio to Manage Sounds on Ubuntu 18.04
https://linuxhint.com/pulse_audio_sounds_ubuntu/
Run the following command to install PulseAudio Volume Control on Ubuntu 18.04 LTS: $ sudo apt install pavucontrol Now press y and then press <Enter> to continue. PulseAudio Volume Control should be installed. Now you can open PulseAudio Volume Control from the Application Menu of your Ubuntu 18.04 LTS.
Audio/StopPulseaudio - Ubuntu Wiki
https://wiki.ubuntu.com/Audio/StopPulseaudio
How do you stop pulseaudio? Answer: Step 1: Press <Alt-F2> to bring up the "Run Application" dialog (Figure 1). Figure 1. "Run Application dialog". Step 2: Type "gksudo gedit" in the dialog (Figure 2) and press the "Run" button. Figure 2. "Run Application dialog; 'gksudo gedit'". Step 3: Open the file "/etc/pulse/client.conf" (Figure 3).
Pulseaudio causing lag on system bell - Unix & Linux Stack ...
https://unix.stackexchange.com/questions/676949/pulseaudio-causing-lag-on-system-bell
This answer clued me in that PulseAudio could be a possible culprit, but unfortunately neither turning off the system bell nor lowering …
PulseAudio - Ubuntu Wiki
https://wiki.ubuntu.com/PulseAudio
For some reason, pulseaudio's user configuration files can become corrupt (unsynced?) in some way, and deleting them (and forcing fresh ones to be generated) fixes a no sound condition. After using the command below, log out/in. Ubuntu 12.10/Quantal (and earlier) rm -r ~/.pulse*; pulseaudio -k Ubuntu 13.04/Raring (and later)
Ubuntu Manpage: pulseaudio - The PulseAudio Sound System
https://manpages.ubuntu.com/manpages/focal/man1/pulseaudio.1.html
Disabling this mechanism is useful when debugging PulseAudio with tools like valgrind(1) which slow down execution. --disable-shm[=BOOL] PulseAudio clients and the server can exchange audio data via POSIX or memfd shared memory segments (on systems that support this). If disabled PulseAudio will communicate exclusively over sockets.
alsa - Why does aplay work when pulseaudio is running …
https://stackoverflow.com/questions/7183169/why-does-aplay-work-when-pulseaudio-is-running-and-else-not
Now, I cannot start gnome-volume-control anymore (regardless of the tips in 10.10 - How do I adjust the volume without pulseaudio? - Ask Ubuntu - apparently earlier versions allowed choice of a backend, via "Device" dropdown: old.png, but newer don't: new.png; and so without pulseaudio, they will always fail with "Waiting for sound system to ...
Ubuntu Manpage: pulseaudio - The PulseAudio Sound System
https://manpages.ubuntu.com/manpages/trusty/man1/pulseaudio.1.html
Disabling this mechanism is useful when debugging PulseAudio with tools like valgrind(1) which slow down execution. --disable-shm[=BOOL] PulseAudio clients and the server can exchange audio data via POSIX shared memory segments (on systems that support this). If disabled PulseAudio will communicate exclusively over sockets.
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