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Thursday, 11 November 2010

Fix popping sounds in Linux

Quite a lot of people have had a problem when, when their computer boots up and just before sound plays/stops they get loud popping noises which can be very annoying and a bit concerning.

This is caused by a new 'feature'which is supposed to save power by powering down the sound chip when not in use.

To prevent it from doing this thus preventing the popping sounds edit your:

/etc/modprobe.d/modprobe.conf

(I prefer to use vim. Nano is a good alternative)

bash$ sudo vim /etc/modprobe.d/modprobe.conf

and add the line:

options snd-hda-intel power_save=0

then reboot, and your issue should be fixed.

This only works for intel chips using the snd-hda-intel driver.

To look for options for other sounds cards with the same issue ( I haven't heard of any) open a terminal and type:

modinfo snd-MY-MODULE

replacing MY-MODULE with the sound module used.