[mythtv-users] Audible POP from speaker on starting playback

David Watkins watkinshome at gmail.com
Mon Nov 2 10:28:54 UTC 2020

On Sat, 31 Oct 2020 at 18:13, David Watkins <watkinshome at gmail.com> wrote:

> On Sat, 31 Oct 2020 at 10:40, David Watkins <watkinshome at gmail.com> wrote:
>>> Alternatively make myth use a mixed output (e.g. alsa dmix or
>>> pulse-audio), and have the computer "keep the audio circuit open" (for want
>>> of a better term). The pop is from your computer's output turning on.
>>> Again, your ears have the final say.
>>> That's the sort of solution I’ve  been searching for.  I am using
>> pulse-audio and I’ve been playing around with alsa-mixer but I don't really
>> know where to go from there.  Any tips?
> This looks similar to my issue....
> https://bugzilla.redhat.com/show_bug.cgi?id=1525104

Trial and Error seemed to support that something was turning the sound card
off when not in use and the pop was caused by the card being turned on

If I start playing a recording within 10s of stopping a previous one then
no 'Pop'.  Wait longer than that and I hear the pop.

This link discusses the issue:


,,,and the suggested workaround appears to have worked for me.  Namely

As a workaround, you can comment out the following line in /etc/pulse/
> default.pa:
> load-module module-suspend-on-idle
> Afterwards, restart PulseAudio with systemctl restart --user pulseaudio.
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