Smaart RTA 1.4

Smaart RTA 1.4

Rational Acoustics LLC  ❘ Freeware
iOS
out of 7 votes
Latest Version
1.4
Safe to install

Precision Audio Analysis with Smaart RTA

Pete Milner

Smaart RTA is a powerful real-time audio measurement tool that provides accurate sound analysis for professionals in live sound and acoustics.
2025 Editor's Rating
VERY GOOD User Rating

Smaart RTA for iOS offers a portable solution for professional audio analysis, bringing the capabilities of Rational Acoustics’ acclaimed desktop software to iPhone and iPad users.

This application caters to both audio professionals and enthusiasts by providing access to Smaart’s industry-standard Real Time Analyzer (RTA) and Spectrograph, along with a straightforward Sound Pressure Level (SPL) meter. Users can perform detailed audio analysis without the need for a dedicated computer setup, leveraging the same trusted algorithms that have earned a reputation among sound engineers for delivering precise and actionable data in real time.

Important Note for Smaart Desktop Users: Smaart RTA is limited to single channel measurements and does not support dual channel transfer function or impulse response measurements typically utilized for system alignment and optimization, including time alignment.

Smaart RTA Features:

  • Professional Standard RTA Graph: The RTA display facilitates engineers in ensuring that audio mixes or playback balances meet specific tonal requirements for various performances.
  • Graphical Features:
    • Options for Fast, Slow, and No averaging to manage graph response ballistics.
    • Multiple banding options (1/48, 1/24, 1/12, 1/6, 1/3, 1 oct) for precise frequency resolution.
    • A user-friendly 1/3 octave x-axis frequency scale for identifying center frequencies.
  • Beautifully Rendered Spectrograph: This tool is crucial for feedback management and frequency identification, enabling engineers to visualize potential issues promptly.
  • Spectrograph Features:
    • Customizable dynamic thresholds to tailor amplitude levels represented visually.
    • A history of up to 1000 slices allowing review of previous events.
    • An intuitive color palette mapping amplitude levels from quiet to loud.
  • Clear SPL Display with dB Level Meter: Ensures consistent audio levels across different venues or performances.
  • SPL Features:
    • Standard SPL metrics (A & C weighting) with fast and slow response capabilities.
    • Nations' recommended exposure percentages from NIOSH and OSHA guidelines.
    • A prominent Level Meter display suitable for remote viewing.

The default settings in Smaart RTA reflect those found in the desktop version of Smaart v9’s real-time single channel measurements.

Smaart RTA Pro Enhancements:

  • Smaart RTA Pro expands on the functionality of Smaart RTA by unlocking advanced features such as:
  • Customizable RTA Graph settings (including frequency scaling and grid interval).
  • Ability to plot calibrated levels relative to SPL instead of Full Scale level.
  • Support for Target Curves (Cinema X Curves included with an option to import your own).
  • Capability to capture and store multiple RTA data traces for comparative analysis across various locations or venues.
  • Averaging function for multiple stored traces to depict overall frequency response within a performance space.
  • Adjustable Y-offsets on RTA graphs for visual dB offset application on live or captured data.
  • Import/export functionalities for RTA files (.srf) compatible with the desktop version of Smaart.
  • An added SPL Traffic Light display to assist in maintaining venue SPL limits.
  • Calibration options for both internal and external microphones with respect to SPL readings.

Both editions of Smaart RTA are available through a 7-day free trial period. Following the trial, subscriptions are required: Smaart RTA at $1.99 per month or $19.99 annually; Smaart RTA Pro at $5.99 per month or $49.99 annually.

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Overview

Smaart RTA is a Freeware software in the category Audio & Multimedia developed by Rational Acoustics LLC.

The latest version of Smaart RTA is 1.4, released on 04/18/2025. It was initially added to our database on 04/18/2025.

Smaart RTA runs on the following operating systems: iOS.

Users of Smaart RTA gave it a rating of 4 out of 5 stars.


Pete Milner

Pete Milner

I'm Pete, a software reviewer at UpdateStar with a passion for the ever-evolving world of technology. My background in engineering gives me a unique insight into the intricacies of software, allowing me to provide in-depth, knowledgeable reviews and analyses. Whether it's the newest software releases, tech innovations, or the latest trends, I'm here to break it all down for you. I work from UpdateStar’s Berlin main office.

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