Good to know we are already 3 to be interested . Theoretically, once properly set up, room correction should be kept on all the time. The goal is to have a working and easy to apply process. Currently performing measurements with another computer running on windows and requiring REW and RePhase to generate the filter and copying it on the streamer is a hurdle very few have the knowledge and interest in setting up.
I strongly believe that connecting a 100€ microphone to the RPi and following a simple procedure would allow a lager population to use this technology.