I'm currently running signal-desktop 8.0.0 but this was already an issue in at least the last version, as far as I can remember. In short the sound volume of the machine gets reduced when signal-dekstop starts up.
signal-desktop uses electron/pulseaudio/pipewire. Are you sure it's not one of them the issue? I can't replicate on my machine (fbsd15.0, plasma6 DE), but I'm not sure what your symptoms are: mixer -a pcm0:mixer: <Realtek ALC236 (Internal Analog)> on hdaa0 (play/rec) vol = 0.25:0.25 pbk pcm = 1.00:1.00 pbk rec = 0.37:0.37 pbk ogain = 1.00:1.00 pbk monitor = 0.67:0.67 rec src pcm1:mixer: <Realtek ALC236 (Front Analog Headphones)> on hdaa0 (play) (default) vol = 0.46:0.46 pbk pcm = 1.00:1.00 pbk ogain = 1.00:1.00 pbk signal-desktop & mixer -a pcm0:mixer: <Realtek ALC236 (Internal Analog)> on hdaa0 (play/rec) vol = 0.25:0.25 pbk pcm = 1.00:1.00 pbk rec = 0.37:0.37 pbk ogain = 1.00:1.00 pbk monitor = 0.67:0.67 rec src pcm1:mixer: <Realtek ALC236 (Front Analog Headphones)> on hdaa0 (play) (default) vol = 0.46:0.46 pbk pcm = 1.00:1.00 pbk ogain = 1.00:1.00 pbk
(In reply to Mikael Urankar from comment #1) Only pulseaudio is running. Pipewire isn't, and electron is not even installed on my system. $ pkg info | grep pulse gstreamer1-plugins-pulse-1.28.1 GStreamer pulseaudio plugin Which pulseaudio version are you running?
Sorry, wrong package in the above message: $ pkg info | grep pulseaudio pulseaudio-17.0_4 Sound server for UNIX
(In reply to Christos Margiolis from comment #3) pulseaudio-17.0_4 signal-desktop IS an electron app, you use it even if it's not installed.
The issue seems to have gone away after a recent update.