Smaart LE Full Feature List

Smaart LE Full Feature List

Here is a list of the full features that are included with Smaart LE:


  • Unlimited simultaneous RTA measurements and live average of RTA data
  • Fractional-Octave banding up to 1/48th octave resolution
  • Fractional Octave or Line view of RTA data
  • View data as banded, lines, or both simultaneously
  • View Peak Holds and Target Curves (including cinema X-curves)
  • Accurately display SPL levels per 1 and 1/3 octave bands with calibrated inputs
  • Fast, Slow, & Infinite data averaging selections, plus “none”
  • Fixed Data Window (Hann)


  • Spectrum-over-time with amplitude represented by color
  • User definable dynamic range
  • Scrollable line history
  • Adjustable slice height resolution
  • Full color or grey scale

Real Time Mode: Transfer Function (dual channel)

  • Magnitude, Coherence, Phase, Live Impulse Response (Live IR) graphs
  • Unlimited simultaneous TF measurement and live average of TF engines
  • Fixed FFT size at 32k with MTW array
  • Up to 1/48th oct smoothing for magnitude and phase graphs
  • Reference delay finder with frequency filtering
  • Automatic reference delay tracking
  • Progressive averaging selections of 1-10, plus infinite.
  • Supports AES-75

SPL (Sound Pressure Level)

  • Monitoring of a single calibrated input as
    • SPL A, C, & Unweighted Fast and Slow,
    • Peak C and Peak Z (unweighted), or
    • 1 user-definable Leq metric
    • Read-only metering (no logging)
  • User definable ‘traffic light’ meter display colors

Signal Generator

  • Multi-output; mono, multi-mono, stereo (plays out of all selected outputs)
  • Independent output trim
  • Random, Pseudorandom, SMPTE, and speech weighted noise
  • Sine, Sweep, and File playback (.WAV .AIFF)
  • Optional noise fade-in

Data Acquisition

  • Unlimited simultaneous input and output channels
  • ASIO, Wav, and CoreAudio driver support
  • Input calibration for SPL
  • Integrated gain and phantom power control with gain tracking for the Roland OctaCapture


To Contact Rational Acoustics Support:
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