RTAAC SuiteProfessional Audio Measurement & Analysis for macOSby Audiomillo
macOS 11.5+Apple Silicon & Intelv1.0.21

Professional-grade audio measurement and analysis for macOS.

RTAAC Suite is a comprehensive professional-grade audio measurement and analysis application designed for acousticians, audio engineers, occupational health specialists, and AV professionals. Built natively for macOS, RTAAC Suite delivers laboratory-accurate measurements with an intuitive interface that streamlines your workflow from measurement to professional reporting.

Whether you're conducting occupational noise assessments, verifying audio system performance, or performing acoustic compliance testing, RTAAC Suite provides all the tools you need in a single, unified application.

7 measurement tools16 automated tests16 channel support

See It In Action

RTAAC SPL Meter Interface
RTAAC RTA Analyzer
RTAAC Measurement Tools
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SPL Meter

Standards Compliance

RTAAC Suite is designed to meet the demanding requirements of professional audio measurement with accuracy that meets international standards.

IEC 61672-1Electroacoustics Sound Level Meters
ANSI S1.4Sound Level Meter Specifications
OSHA 1910.95Occupational Noise Exposure
NIOSH RELRecommended Exposure Limits
View detailed standards compliance →

7 Professional Measurement Tools

SPL Level Meter

Real-time Sound Pressure Level measurement with comprehensive statistics tracking. Monitor current levels, peak holds, and min/max values with professional-grade accuracy.

A, C, and Flat frequency weightingFast, Slow, and Impulse time weightingContinuous data logging
Max Levels Meter

Dual-band frequency monitoring with visual threshold indicators. Perfect for monitoring low and high-frequency content simultaneously with traffic light status display.

Dual-band frequency monitoringTraffic light threshold indicatorsConfigurable thresholds
Noise Dosimeter

OSHA and NIOSH-compliant occupational noise exposure measurement. Calculate noise dose percentages and time-weighted averages for workplace safety compliance.

TWA calculationCriterion levels: 80, 85, 90 dBExchange rates: 3, 4, 5 dB
Real-Time Analyzer (RTA)

Professional spectrum analysis with octave and 1/3-octave band resolution. Includes industry-standard reference curves for room acoustics evaluation.

10-band octave analysis31-band 1/3-octave analysisNC, RNC, and NR reference curves
Multi-Channel Data Recorder

Record up to 16 channels simultaneously with professional audio formats. Perfect for multi-microphone measurements and environmental monitoring.

Up to 16 simultaneous channelsWAV, CAF, AIF formats44.1 - 96 kHz sample rates
Signal Generator

Generate precision test signals for system calibration and testing. Includes tones, noise, and sweeps with full stereo output control.

Sine, Square, Triangle, SawtoothPink and White noiseLinear and Log sweeps
Test Wizard

Automated comprehensive system testing with 16 built-in tests. Generate professional PDF reports with actionable recommendations.

16 automated testsPass/Fail/Warning statusProfessional PDF reports
View detailed tool documentation →

Why RTAAC Suite

Professional-Grade AccuracyMeasurement engine delivers accuracy that meets international standards including IEC 61672-1, ANSI S1.4, OSHA 1910.95, and NIOSH guidelines.
Comprehensive ReportingGenerate professional PDF reports with executive summaries, detailed test results, compliance status, and prioritized action items.
White-Label ReadyCustomize reports with your company branding. Add your logo, company information, and contact details for client-ready documentation.
Project OrganizationKeep measurements organized with powerful project management. Group sessions by project, client, or location.
Extended Data LoggingRecord for up to 2 weeks continuously with statistical analysis including Leq, Lmax, Lmin, and percentile levels (L10, L50, L90).
Native macOS ExperienceBuilt exclusively for macOS using Swift and SwiftUI. Native performance with seamless system integration.

Who It's For

AcousticiansRTA with NC/NR curves, multi-channel recording, and comprehensive reporting for venue and room acoustic assessments.
Audio EngineersSignal generation, frequency response testing, and system verification for professional audio installations.
Occupational Health SpecialistsOSHA and NIOSH-compliant dosimetry, TWA calculations, and workplace noise compliance documentation.
AV ProfessionalsAutomated Test Wizard with 16 tests, professional PDF reports, and equipment recommendations for system verification.

What Professionals Are Saying

Finally, a professional audio measurement tool for Mac

"After years of running Windows VMs just for audio measurement software, RTAAC Suite is a breath of fresh air. Native macOS performance, beautiful interface, and the reports are absolutely professional. My clients are impressed."

Michael R., Audio Consultant

Essential for occupational noise compliance

"We use RTAAC Suite for all our workplace noise assessments. The dosimeter calculations are spot-on with OSHA requirements, and the automated reports save us hours of documentation time."

Sarah L., Industrial Hygienist

Comprehensive and reliable

"I've tested many audio measurement apps over 20 years in the industry. RTAAC Suite stands out for its completeness. Having the RTA, dosimeter, signal generator, and recorder all in one app is exactly what professionals need."

David K., Acoustical Engineer

The Test Wizard is a game-changer

"Before RTAAC, system verification was tedious and error-prone. Now I run the Test Wizard, get a comprehensive report in minutes, and can immediately identify any issues."

Jennifer M., AV Integrator

White-label reports impress clients

"The professional PDF reports with my company branding make a huge difference in client perception. The detailed recommendations show clients I'm thorough."

Thomas H., Noise Control Specialist

Perfect for venue acoustic testing

"I use RTAAC Suite for venue acoustic assessments. The RTA with NC/NR curves, combined with the multi-channel recorder, gives me everything I need."

Amanda W., Theater Acoustician

Pricing

Professional License

Single-seat, hardware-locked license

$4999

one-time purchase

  • All 7 professional measurement tools
  • 16 automated system tests
  • Professional PDF report generation
  • White-label branding support
  • Project management
  • Free updates for 1 year
  • Email support

Volume licensing available for teams and organizations. Contact sales@audiomillo.com

Technical Specifications

PlatformmacOS 11.5 (Big Sur) or later
ArchitectureUniversal (Apple Silicon + Intel)
Max Channels16 simultaneous inputs
Sample Rates44.1, 48, 88.2, 96 kHz
Bit Depth24-bit
Frequency Range20 Hz - 20,000 Hz
Frequency WeightingA, C, Flat (Linear)
Time WeightingFast (125ms), Slow (1s), Impulse (35ms)
Octave Bands10 bands (31.5 Hz - 16 kHz)
1/3 Octave Bands31 bands (20 Hz - 20 kHz)
Reference CurvesNC, RNC, NR
File FormatsWAV, CAF, AIF, PDF
View complete specifications →

Frequently Asked Questions

What Mac do I need to run RTAAC Suite?

RTAAC Suite requires macOS 11.5 (Big Sur) or later. It runs natively on both Apple Silicon (M1/M2/M3) and Intel Macs.

What audio interface do I need?

RTAAC Suite works with any Core Audio compatible audio interface, including built-in Mac audio. For professional measurements, we recommend using a calibrated measurement microphone with a quality audio interface.

How does licensing work?

RTAAC Suite uses hardware-locked licensing. Your license is tied to a specific Mac and validates online. A 7-day offline grace period allows you to work without internet connectivity.

Can I transfer my license to a new Mac?

Yes. Contact Audiomillo support to deactivate your license on your old Mac and activate it on your new one.

Does RTAAC Suite meet professional measurement standards?

Yes. RTAAC Suite is designed to meet IEC 61672-1, ANSI S1.4, OSHA 1910.95, and NIOSH REL standards. The Test Wizard includes compliance verification tests.

How long does a full Test Wizard run take?

A complete test of all 16 tests takes approximately 5 minutes, depending on your system.

Can I add my company logo to reports?

Yes! The White Label feature allows you to add your company logo, name, address, phone, email, and website to all reports.

View all FAQs →

Ready to elevate your audio measurement workflow? Join professionals using RTAAC Suite for laboratory-accurate measurements and client-ready reports.