On 26.07.2017 20:58, Tanu Kaskinen wrote: > My answer was based on reading the source code, and it seemed like > module-equalizer-sink stores some database in > ~/.config/pulse/equalizer-presets, and based on the file name, that > seemed like the place where the presets live. > > I now looked at the contents of the files in > https://github.com/rsommerard/pulse-presets and it's clear that those > preset files aren't used with qpaeq/module-equalizer-sink. The database > that module-equalizer-sink uses is not in text format, but the > rsommerard presets are text files. The files contain the string > "mbeq_1197", which is an identifier for a ladspa eq plugin. Apparently > the presets are meant to be used with some program that sets up module- > ladspa-sink in pulseaudio. I don't know what program that is. Right. My actual question is still not answered. I need to preconfigure qpaeq and the files in ~/.config/pulse are in fact not doing the job. Deleting them does not remove an existing config and providing them does not supply them ... So how does it really work?