scroll across to Headphone channel and hit your [M] key to unmute. Then increase the level using [Up-Arrow] key
Does the volume level change correctly when you change it in alsamixer?
If yes. Go back to Zorin Settings>Sound. Does volume level change correctly when you alter it there?
Note: you can save your good working alsamixer settings by typing:
sudo alsactl store
That will save them over a reboot.
Just noted: even with the volume level at taskbar on zero, the notifications from Rambox (WhatsApp) does the crackling sound also, for each notification.
When I move the volume level at taskbar, the PCM goes to 100 automatically, then the Headphone goes to 100 with the volume level at 10% and, for last, the master goes up, with the volume level.
One step at a time. What is result of those tests?
EDIT: You can also unmute other output channels in alsamixer to see the result. e.g. speaker, beep etc.
Maybe this GIF help to understand:
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You have to play around with alsamixer. Sound issues are not always logical.
First: Unmute [speakers] channel and increase the level.
Second: increase [internal] channel level.
Ignoring the taskbar. Does the headphone sound level change when master is set max and headphone varied?
I have been doing a websearch "Conexant CX20756 ubuntu" to see if anything comes up specific to your sound card. Nothing much found so far.
I am wondering if you need to install/re-install Pulse Audio ?
@Aravisian can you help OP with that.
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No. Just the PCM gives me some volume, but very low.
Let's try. How I do?
You can try this with:
sudo dpkg --purge --force-depends pulseaudio alsa-base alsa-utils && sudo apt install pulseaudio alsa-base alsa-utils
and cross all your fingers and toes.
Yes it does.
Master is your overall sound output level. The others can be set 100% unless they are too loud, in which case reduce to comfortable level.
Regardless of visually seeing the sliders move. Does the audible volume change. That, I believe, is the aim of this exercise.
I am going to have to leave now. I will get back when I can. zab
Nope "/
I have one time this problem when my jack port was unstable or my op-amp chip was died. Your problem could be another. Did you trying another headphones? Tried scroll round Jack on port. Put your Jack first to half and check volume then put all. This checked your left and rights channel on headphones.
The problem doesn't occur on windows.
@Michel Where did you find that fix?
Is the fix the modprobe line only, or that plus the power_save=0 line
in your post in the other thread?
I am wondering what needs to be conveyed to the OP to fix his crackling issue.
I think you misread the message.
Location of the file to edit /etc/modprobe.d/alsa-base.conf
- Open terminal and write
sudo -i - Next write
gedit /etc/modprobe.d/alsa-base.conf - Add this line
options snd-hda-intel power_save=0 power_save_controller=N snoop=0 - Save and reboot
*. This fixed alot of plopping/crackling issues for me
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The problem also doesn't occur on Manjaro!
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