Here are some of its standout features that made it essential for sound system alignment:
: There is no direct upgrade path from v6 to current versions; users are advised to purchase the latest version of Smaart . Core Technical Features smaart v6 software
Smaart v6 consolidated several disparate measurement paradigms into a unified user interface. It gave engineers the ability to view what was coming out of the mixing console versus what a measurement microphone was picking up in the room. 1. Dual-Channel Transfer Function Analysis Here are some of its standout features that
Smaart v6 included a dedicated Impulse Response (IR) engine. This allowed acoustic consultants to analyze the time-domain behavior of a room, calculating critical metrics such as: Delay times for speaker alignment. Speech intelligibility criteria (STI, RaSTI). Early-to-late decay ratios and RT60 (Reverberation Time). The Historical Impact of Version 6 Speech intelligibility criteria (STI, RaSTI)
Today, Rational Acoustics has officially discontinued support and licensing for Smaart v6. It cannot be reliably run on modern operating systems like Windows 11 or recent macOS versions due to driver incompatibilities and obsolete security protocols.
Engineers used the Impulse Response mode to find the precise arrival time of different loudspeaker components. This allowed them to align subwoofers with main line arrays to eliminate phase cancellation. Tonality Equalization
By calculating the inverse FFT, V6 could display the Impulse Response. This allowed engineers to see discrete reflections in a room. If you saw a spike 20ms after the direct sound, you knew a hard wall was causing a comb filter, allowing you to adjust delay timing or acoustic treatment.