Which process is using which audio playback device?

[Andrej Marjan]

On Sat, Aug 30, 2014 at 10:29 PM, ted leslie <ted.leslie-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:

> If you use TLP on Kubuntu, there are some reports of that causing issue
> like you mention.
>
> -tl
>
>
Thanks, that pointed me in the right direction. Seems it's a long-standing
problem in the Ubuntu kernel at least, and has nothing to do with KDE. This
post from Ubuntu 12.04 solved my problem:
http://askubuntu.com/questions/160882/popping-noise-from-laptop-speakers

I only needed the first step for my Thinkpad T420 even though it does have
HDA audio.
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