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‎04-04-2024 03:51 AM

HP Recommended
Product: HP Z4 G4 Workstation

Hello,

 

this is a follow-up to the Thread named "HP Z4 G4 Ubuntu 20.04.x sound card problems".

 

Since the original discussion was closed I created this one to help others with the same issue.  If you get blurbs, crackings or any sound popping when running Ubuntu on your HP Z4 G4 please try the following.

 

( All credits to Ask Ubuntu  and the Ubuntu Community. )

 

cat /sys/module/snd_hda_intel/parameters/power_save -> change from 1 to 0

sudo echo "0" | sudo tee /sys/module/snd_hda_intel/parameters/power_save

 

cat /sys/module/snd_hda_intel/parameters/power_save_controller -> change from Y to N

sudo echo "N" | sudo tee /sys/module/snd_hda_intel/parameters/power_save_controller

 

If that fixes your problem, make it permanent:

 

sudo vi /etc/modprobe.d/audio_disable_powersave.conf and add the following:

options snd_hda_intel power_save=0
options snd_hda_intel power_save_controller=N

 

Additionally :

 

sudo vi /etc/pulse/daemon.conf

 

Change:
; default-sample-rate
; alternate-sample-rate
 
to:
default-sample-rate = 48000
alternate-sample-rate = 48000

 

That should reduce the unwanted blurbs, crackings or any sound popping to a minimum.

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