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Display data from Smaart and control EQs and Delays within Q-SYS Designer

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Using the Smaart API from Rational Acoustics, Trace displays Smaart's delay finder, phase and frequency response curves and superimposes the Q-SYS equalizer on top of it. Adjust the EQ response (optionally inverted) and observe the resulting changes in real-time.

Portable Power

A typical Trace system will consist of one or more Q-SYS Cores, a computer running Smaart, an RF microphone and receiver, a Wi-Fi access point, and the Trace plugin running on a separate laptop in Q-SYS Designer. With this setup, the Core(s) and Smaart host can remain in the electrical equipment room, while the operator carries the laptop running Trace from venue to venue.

Trace was specifically designed with large, multiple-venue  and distributed sites in mind.

Use Cases

Trace Signal Single Flow - Forward Thinking Designs

RF Mic Connection from Venue to EER

The simplest use case, consisting of a single venue to be tuned.

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What is a typical use case for Trace?

Trace is primarily designed for large-scale distributed or multi-venue facilities. The intent is for the Smaart computer to be positioned near the Q-SYS Core(s) in the rack room. In fact, the Core, if capable, could even be used as the soundcard for the Smaart Measurement and Reference signals. A second laptop, running Q-SYS Designer and Trace, would then be taken location to location to make the measurements and implement the calibration settings. The measurement microphone would be connected back to the rack room via RF, analog, or digital (i.e. Dante) infrastructure with the appropriate routing to Smaart via the Core soundcard.

Do I need a license for Smaart as well?

Yes. Trace cannot run without a valid license of Rational Acoustics' Smaart.

What can Trace control in Q-SYS?

Trace can control Named Parametric EQs up to 32 bands each including high-shelf and low-shelf filters and Named Delays up to 512 taps .

System Requirements
  • Q-SYS Core running Q-SYS v8.3 or later.

  • Smaart v8.5.1.1 or later, or Smaart Di2. Trace currently only supports a single measurement/one microphone at a time.

Trace Multiple Venues Flow - Forward Thinking Designs

Multiple Venues

Multiple venues are easy to calibrate - just connect your laptop to the A/V network Wi-Fi. 

Trace is a calibration plugin for QSC® Q-SYS™ systems, using Rational Acoustics' Smaart®. Trace combines control of named Q-SYS EQs and Delays with data from a remote instance of Smaart and presents it on a single screen.

This helps simplify the tuning process by combining Smaart and Q-SYS controls all in a single window.

Trace UCI - Forward Thinking Designs

​For volume licensing or specific questions, email us at

License Keys are manually generated and usually sent out within two hours of your purchase for orders received

from 9 AM - 5 PM EST


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