It includes maximum length sequence (MLS) analysis as a choice for impulse response, for the measurement of room acoustics. Smaart is based on real-time fast Fourier transform (FFT) analysis, including dual-FFT audio signal comparison, called "transfer function", and single-FFT spectrum analyzer. As of March 2016 Smaart was in its 8th version. First written as a native Windows 3.1 application to work within Windows 95 on IBM-compatible computers, in 2006 a version was introduced that was compatible on both Windows and Apple Macintosh operating systems. Smaart has been licensed and owned by several companies since JBL and is currently owned and developed by Rational Acoustics. The impulse response mode uses either FFT or maximum length sequence (MLS) analysis. Realtime mode uses dual- and single- fast Fourier transform (FFT) to display RTA, spectrograph, and transfer function measurements. Smaart has two modes: Realtime Mode and impulse response mode. Smaart is an acronym which stands for sound measurement acoustical analysis real time.
An acoustician version has been offered as Smaart Acoustic Tools, and a standalone version containing just the sound pressure level measurement tools is offered as Smaart SPL. The product has been known as JBL-Smaart, SIA-Smaart Pro, EAW Smaart, SmaartLive, and simply Smaart.
It is also intended to assist audio engineers in analyzing the output of loudspeakers, audio amplifiers and other audio gear, as well as helping the acoustician analyze room acoustics. Most earlier analysis systems required specific test signals sent to the sound system, ones which would be unpleasant for the audience to hear. It is designed to help the live sound engineer optimize sound reinforcement systems during the public performance. Smaart is a suite of audio and acoustical measurements and instrumentation software tools introduced in 1996 by JBL's pro audio division. Windows XP or newer, Mac OS X v10.5 "Leopard" or newer
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