Let me remind you of an old feature in PulseAudio which is thankfully set to disabled by default.
This “feature” was causing the volume of my headset & speakers to be set from 25% to 100% every time a desktop notification pops up.
Let’s say I’m listening to music and I set the volume to 25% for my headset. A short while later, a notification popped up on the bottom-right of my screen (I use KDE ❤️ btw) and the song suddenly starts playing at 100% volume.
This hurt my ears the first time it happened. Luckily there was no permanent damage but it made me worry enough that I spend some time researching the cause and fix.
After couple of hours, I discovered “flat-volume” feature in PulseAudio was the problem. This silly feature was enabled by default and so it kept changing volume of output device acc to audio device whether its desktop notification or a website’s stupid popup video ad autoplaying without my permission.
I wrote a strongly worded txt file back then that goes into detail.
The fix is to set flat-volumes = no inside /etc/pulse/daemon.conf and restart the system.
[#]linux #pulseaudio #linuxaudio #diary
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