CISSCA is simulation software for estimating the required number of commercial audio type speakers by setting a room scale and application, and by selecting the type and the layout pattern of speakers. The tool provides data on the effective sound pressure of the results. For more details and precise simulations, the company recommends users apply Yamaha Sound System Simulator (YS3) software as well. Download required, but no login. Available for Windows and Mac OS.
http://yamahacommercialaudiosystems.com/downloads_brw- stype_detail.php?prodID=1138&doc_type=Firmware
