To understand build 17, one must understand the fracture in Smaart's lineage. Smaart began as a joint venture between JBL and SIA Software (later acquired by Rational Acoustics). Version 5 and 6 were the "wild west" of PC-based FFT. Version 7, however, was a complete rewrite.
: Keep track of Sound Pressure Levels (SPL) to ensure compliance with local noise ordinances and protect the hearing of the audience and crew. Evolution of the Software rational acoustics smaart v7.2.1.1 17