For those who never used it, here is a typical workflow for a live sound engineer using SMAART V6:
In the world of professional audio engineering, few software names carry as much weight as Smaart. Short for "Sound Measurement Acoustical Analysis Real-time," Smaart is the go-to diagnostic tool for system engineers, acousticians, and live sound technicians. While the software has evolved significantly over the years, Smaart v6 represents a pivotal era in its development, solidifying its reputation as the industry standard for dual-channel FFT (Fast Fourier Transform) measurement.
Produced by Rational Acoustics, Smaart v6 provided engineers with the ability to "see" sound, transforming complex acoustic data into actionable visual information.
Introduction Smaart v6 is a professional real-time sound system measurement, analysis, and optimization software used by live-sound engineers, system techs, and acousticians to measure frequency response, phase, impulse response, and system coherence. It combines FFT-based analyzers, transfer function measurements, and room-microphone workflows to help tune PA systems, diagnose issues, and verify system performance.
Why people choose Smaart v6
Key features (what to expect)
Typical Smaart v6 workflows
Transfer function measurement and tuning
Time-domain isolation and alignment
Onstage monitoring and troubleshooting
Verification and reporting
Tips and best practices
Hardware and system requirements
Licensing and editions
Pros and cons | Pros | Cons | | --- | --- | | Powerful, industry-standard measurement tools | Commercial license cost | | Accurate transfer-function-based measurements | Learning curve for new users | | Flexible routing and multi-channel support | Requires proper microphone and interface for best results | | Real-time visualization and logging | Relies on hardware compatibility and drivers |
Alternatives to consider
Sample short tutorial: measuring and aligning a sub with mains smaart v6 software
Conclusion Smaart v6 remains a robust, professional toolset for sound system measurement and optimization. With proper hardware, measurement technique, and iterative tuning, it enables engineers to diagnose problems, align systems, and document verified performance.
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Smaart v6 Software: A Milestone in Sound System Measurement Smaart v6 (System Measurement Analysis Real-time Tool) represents a pivotal chapter in the history of professional audio engineering. Released in 2007 by EAW Software Company, it was the first version of Smaart to be rebuilt from the ground up with a unified cross-platform source code, finally bringing native compatibility to both Windows and Mac OS X.
While the industry has moved forward with modern editions like Smaart Suite (v9), Smaart v6 remains a legendary tool known for its stability and the introduction of many features that are now standard in live sound optimization. Core Capabilities of Smaart v6
Smaart v6 is a dual-channel, FFT-based audio measurement and analysis software. Its primary goal is to help engineers achieve "transparency" in a sound system—ensuring the output matches the input as closely as possible. 1. Spectrum Analysis (RTA & Spectrograph)
Real-Time Analyzer (RTA): Provides fractional-octave banding (up to 1/48th octave) and a "Line-Over-Bands" view that displays both raw and banded data simultaneously.
Spectrograph: Features a scrollable history of over 1,000 lines with adjustable dynamic range, allowing engineers to see how frequency content changes over time. 2. Transfer Function Measurement
The "heart" of Smaart, the Transfer Function, compares a reference signal (the input) with a measurement signal (the microphone's pick-up). This allows for: For those who never used it, here is
Frequency Response: Analyzing the magnitude and phase of a speaker system.
Delay Locator: Automatically calculating the time difference between two signals to align delay towers or multi-speaker zones.
Coherence: A quality-control metric that indicates the reliability of the measurement data. 3. Hardware and Remote Control
V6 was designed to act as a "command center" for the audio rig. It included the ability to remotely control a growing list of professional DSP processors and equalizers directly from the measurement interface. System Requirements & Compatibility
Because Smaart v6 was built for the technology of the late 2000s, it has specific legacy requirements: Operating Systems: Windows: 2000, XP, or later.
Macintosh: OS X 10.4 (Tiger) through 10.6.8 (Snow Leopard). It is not compatible with OS X Lion (10.7) or newer due to changes in Apple's security and permissions. CPU: Intel Pentium 4 (1 GHz) or compatible. Memory: 512 MB to 1 GB RAM.
Audio Drivers: Compatible with ASIO, WDM/Wave (Windows), and Core Audio (Mac). Legacy Support and Activation
The release of Smaart v6 coincided with the widespread adoption of digital signal processors (DSPs) in line arrays and distributed systems. It empowered system technicians to move beyond the "shoot from the hip" method. By providing objective data, v6 enabled: Key features (what to expect)
One of the most powerful features for live sound touring in v6 was the ability to handle multiple measurements simultaneously. Engineers could view the response of multiple microphone positions or different speaker clusters side-by-side. This "live averaging" capability allowed for quicker system equalization, ensuring that the tuning worked for the whole room, not just one seat.
The RTA provides a real-time frequency spectrum display. However, Smaart v6’s Spectrograph was a game-changer for troubleshooting. It displays frequency over time, with color representing amplitude. This allows engineers to visually identify persistent feedback frequencies or mechanical rattles that might be missed in a fleeting real-time display.