Knoxville, TN, June 25, 2018 Waves Audio, a leading provider of audio processing solutions, is now shipping the TRACT System Calibration plug-in and the TRACT System Calibration + Smaart Di v2 bundle.

With the Waves Tract plug-in, sound engineers can now turn any sound system into a well-balanced foundation for their mixes, quickly and easily. The Tract plug-in integrates with Smaart, the industry-standard audio analysis software, to auto-correct EQ issues and time-align any sound system: live or in the studio.

An untuned system’s frequency response will behave erratically, resulting in music sounding different than we are accustomed to, and mixing adjustments will not respond as expected. Worse, if a system is not time-aligned, there may be phase cancellation affecting valuable low-frequency impact.

This is where Waves Tract plug-in comes in: Tract calculates a corrective FIR EQ curve and time alignment corrections using data from Rational Acoustics’ Smaart v8 or Di v2. Users can quickly take and merge up to eight measurement snapshots of their system and select a reference as the basis for EQ corrections. Included are four common reference curves, or users can create their own reference presets.


Once the FIR EQ is calculated, it can be manipulated by changing the reference curve, limiting its frequency and amplitude ranges, or by supplementing it with up to eight bands of IIR EQ filters. IIR filter shapes include Bell, Low/High Shelves, Flat-Tops, Butterworth and Linkwitz-Riley curves, a Tilt EQ with a variable frequency pivot point, and an All-Pass filter.

Tract also includes a minimal-phase FIR component, which works at very low latency and with low phase distortion, as well as a linear-phase FIR component. It can be used in a live setting with any mixing console (via Waves MultiRack), with the eMotion LV1 Live Mixer, or, coming soon – with SoundGrid Rack for VENUE S6L; or it can be used within any major DAW.

Waves is also offering a Tract System Calibration + Smaart Di v2 bundle, which includes the Tract plug-in and Smaart Di v2 audio analysis software – the essential tools you need to accurately EQ and time-align your sound system. Rational Acoustics’ industry-standard Smaart Di v2 audio analysis software features a dual-channel iteration of Smaart’s trusted Spectrum and Transfer Function engines, relied upon by audio professionals around the world.

Karen Anderson, Rational Acoustics’ Chief Operating Officer, comments, “Tract is the first plug-in to utilize the Smaart API for integration of Smaart measurement data, and being a Waves product it was, of course, done incredibly well. Together, Smaart and Tract create an elegant, intuitive solution to allow live sound engineers to analyze and optimize their systems’ response within the plug-in environment.”


“Waves is excited to join forces with Rational Acoustics,” says Mick Olesh, Waves EVP of Sales & Marketing, “providing sound engineers access to cutting-edge pro audio tools that greatly enhance their workflow. Resolving system issues is a vital concern for sound engineers. Smaart and Tract allow them to focus on reaching higher mixing standards by solving system-tuning issues, quickly and easily.”

Considering that access to a venue’s system processors is often limited, with inadequate time for system tuning before sound check, the Tract plug-in and the Tract System Calibration + Smaart Di v2 bundle are invaluable tools for live-sound engineers.

Tract System Calibration + Smaart Di v2 bundle features:

All-in-one software solution to quickly tune a sound system

Includes Tract EQ auto-correction/time-alignment tool and Smaart Di v2 audio analysis software

Designed for live and studio use

Tract runs in MultiRack, eMotion LV1, SoundGrid Rack for VENUE, or any major DAW

Create a corrective FIR EQ curve to balance your system’s EQ

Capture and merge up to eight snapshots of measured response signals

Tract includes minimal-phase FIR and linear-phase FIR components

Eight bands of industry-standard IIR EQ filters

Easily calculate and add delay to time-align a sound system

Sub zoom gives you a closer look at the crossover point while phase-aligning subs

Tract can be used on its own as a high-quality eight-band equalizer

Learn more about Waves Tract System Calibration plug-in.

Learn more about Tract System Calibration + Smaart Di v2 bundle

About Rational Acoustics LLC

Since 2008 Rational Acoustics has been dedicated to making the world a better sounding place. Developers of the industry-leading Smaart audio analysis and optimization software, we support the advancement of the field of acoustic test and measurement and system alignment through product development, education and community support. For more information, please visit

About Waves Audio Ltd.

Waves is the world’s leading developer of audio DSP solutions for the professional, broadcast, and consumer electronics audio markets. Since its start in the early '90s with the introduction of the Q10 equalizer plug-in, Waves has gone on to develop a comprehensive line of over 150 audio plug-ins, including industry standards like the L1 and L2 Ultramaximizers, popular vintage console models, and innovative mixing tools like Vocal Rider and the Artist Signature Series. For its accomplishments, Waves received a Technical Grammy Award in 2011, and the Q10 was selected as an inductee into the TECnology Hall of Fame. In 2016, Waves released the eMotion LV1 mixer, a revolutionary live digital mixing console that provides real-time audio mixing for front-of-house, monitor, studio and broadcast engineers. Waves technologies are now used to improve sound quality in virtually every sector of the audio market, from recording, mixing, mastering and post-production to broadcast, live sound, and consumer electronics. Waves has over 25 years of expertise in the development of psychoacoustic signal processing algorithms that leverage knowledge of human auditory perception to radically improve perceived sound quality. Waves’ award-winning processors are utilized to improve sound quality in the creation of hit records, major motion pictures, and top-selling video games worldwide. Waves offers computer software and hardware-plus-software solutions for the professional and broadcast markets. The company’s WavesLive division is a market leader in all live sound sectors, spearheading the development of solutions for all live platforms. Under its Maxx brand, Waves offers semiconductor and licensable algorithms for consumer electronics applications. Waves technologies dramatically enhance audio performance and are used by industry leaders such as Dell, Google, Fitbit, Acer, Asus, Hisense and more.

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