You can easily test your diffuser’s performance with this software, it has a free 30 day trial period. Thank you Tim Perry!
Original post by Tim:
http://arqen.com/sound-diffusers/faq/?awt_l=MmKho&awt_m=3dpr1sblT6OvzB9&utm_source=diffusersdiy-list&utm_medium=email&utm_term=reflex&utm_campaign=DiffusersDIY-followup#reflex-tutorial
Software:
http://reflex.afmg.eu/