I’m new here so maybe this is old news but, relative to a thread I started a couple of days ago regarding using LIDAR to model a listening room (and subsequently discovering “there’s an app for that”, I’ve also discovered that app has an association with the below site. Really very good I think.
amcoustics.com
amcoustics | Room Acoustics Calculators & Articles
Your hub for room acoustics: Featuring the amroc room mode calculator, technical articles, and interactive tools for studio and home cinema optimization.