I was working on a Kdenlive project (snap version) on my PC when suddenly sound became sizzly and even after rebooting I can't get ride of it.

I already tried a lot of things as :

• Of course rebooting

• Purge, remove and then reinstall alsa audio

• Opened alsamixer to see if I could manage something on my soundcard (an USB scarlett one)

• Reloaded alsa and pulseaudio too using :

pulseaudio -k && sudo alsa force-reload

• Tried this command : sudo systemctl status alsa-restore.service and got that output :

 alsa-restore.service - Save/Restore Sound Card State Loaded: loaded (/lib/systemd/system/alsa-restore.service; static; vendor preset: enabled) Active: active (exited) since Wed 2022-03-23 08:33:18 CET; 12min ago Docs: man:alsactl(1)
Process: 1334 ExecStartPre=/bin/mkdir -p /run/alsa (code=exited, status=0/SUCCESS)
Process: 1335 ExecStart=/usr/sbin/alsactl -E HOME=/run/alsa -E XDG_RUNTIME_DIR=/run/alsa/runtime restore (code=exited, status=0/SUCCESS) Main PID: 1335 (code=exited, status=0/SUCCESS)
mars 23 08:33:18 marius-PC systemd[1]: Starting Save/Restore Sound Card State...
mars 23 08:33:18 marius-PC systemd[1]: Finished Save/Restore Sound Card State.

• Moreover, when I open up AlsaMixer and try to manage the sound directly on the soundcard, it says that this hardware (external usb soundcard) has no command and shows me nothing relative to this.

Do someone has a clue on what is going wrong and what could I do to get the sound back on my Ubuntu 20.04 ?

3

1 Answer

Just providing this as an answer since this helped both me and Marius according to your comment, and will be more visible than the comment.

fixed the issue. The gist of this link is this:

First, edit the global daemon file /etc/pulse/daemon.conf and set default-sample-rate = 48000 (in my case, this was commented out)

Then, create a local daemon file ~/.config/pulse/daemon.conf and also set the same command there default-sample-rate = 48000

Then kill the pulseaudi daemon

pulseaudio -k

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