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Popping sound before playback

asked 2018-07-07 23:16:09 -0500

Dzyn gravatar image

I'm running Fedora 28 and when I play a Youtube video or something like that right before the audio plays I hear a pop. My suspicion is that this is because of some kind of power saving mode that turns off audio output but I am not sure, let me know if you have any ideas.

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same here on 2 MACs running Fedora28. The popping sound is also at the login prompt

francko gravatar imagefrancko ( 2018-07-08 01:31:56 -0500 )edit

This solution might be what you're looking for -> My speakers (headphones) pop out before sound :)

clnetbox gravatar imageclnetbox ( 2018-07-08 04:00:58 -0500 )edit

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answered 2018-07-08 01:31:49 -0500

genodeftest gravatar image

updated 2018-07-08 01:32:38 -0500

I see the same behaviour, but it does not annoy me enough to disable it. Yes, it is caused by a audio chip power saving mode which was enabled by default on Fedora 28. This happens quite often, especially on badly designed computer mainboards. Implementation tracking bug:

In case you are using an intel chip, the temporary solution to disable power saving is running echo 0 > /sys/module/snd_hda_intel/parameters/power_save. Creating the file /etc/modprobe.d/audio_disable_powersave.conf with this line options snd_hda_intel power_save=0 should disable power saving on your sound chip permanently after the next reboot, you may need to regenerate your initramfs using dracut though.

If your device has no intel driver, please have a look at the kernel module. You need to list your kernel modules first using lsmod, then find your vendor's name in some of the snd_hda_ names. Documentation on that kernel module may help you get the right options.

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THANK YOU! The popping is extremely loud on my system... the pop is 4x as loud vs the audio that plays. Your modprobe conf worked without regenerating the initram. I'm using Fedora 29.

ljdelight gravatar imageljdelight ( 2019-01-01 16:35:41 -0500 )edit

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Asked: 2018-07-07 23:16:09 -0500

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Last updated: Jul 08 '18