Smaart has been licensed and owned by several companies since JBL, and is now owned and developed by Rational Acoustics. The first two modes use dual- and single-fast Fourier transform (FFT), and the impulse response mode uses either FFT or maximum length sequence (MLS) analysis.
Smaart has three modes: transfer function, real-time analyzer (RTA) and impulse response. Smaart is an acronym which stands for sound measurement acoustical analysis real time. An acoustician version has been offered as Smaart Acoustic Tools. 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. It was designed to help the live sound engineer optimize sound reinforcement systems during the public performance unlike most earlier analysis systems which required specific test signals sent to the sound system, ones which would be unpleasant for the audience to hear. Introduced in 1996 by JBL's pro audio division, Smaart was a revolution for audio engineers because it was the first piece of measurement software that was available at a relatively low-price. Smaart is a suite of audio and acoustical measurements and instrumentation software tools. WindowsXP or newer, Mac OS X v10.5 'Leopard' or newer
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