RTA Analyzer – Pro AV Tools

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About this app

🎛️ RTA Analyzer — The Professional's Go-To Real-Time Audio Spectrum Analyzer

Built for AV technicians, sound engineers, and live event professionals who need precision audio measurement on the expo floor, in the convention hall, or at the trade show booth.

Whether you're tuning a PA system for a keynote presentation, dialing in booth audio at CES, or troubleshooting feedback in a ballroom, RTA Analyzer gives you studio-grade spectral analysis right from your Android device.

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🔊 FREE FEATURES — POWERFUL OUT OF THE BOX

✅ 30-Band 1/3-Octave Real-Time Analyzer (20 Hz – 16 kHz)
✅ Professional dBFS metering with peak & RMS indicators
✅ Multiple window functions: Hann, Hamming, Blackman, Flat-Top
✅ Adjustable integration time for fast or slow response
✅ Segmented LED-style peak and RMS meters
✅ Dark studio UI optimized for low-light environments
✅ Landscape-locked for hands-free monitoring on tripods & stands

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⚡ PRO UPGRADE — UNLOCK THE FULL TOOLKIT

🔓 16,384-Point FFT for ultra-high frequency resolution
🔓 Up to 127 bands at 1/12-octave precision
🔓 Calibration profiles — save & load mic corrections per venue
🔓 Room painting mode — visualize and annotate acoustic problem areas
🔓 Export screenshots (PNG) and measurement data (CSV)
🔓 Ad-free experience — zero distractions during critical measurements
🔓 One-time purchase. No subscriptions. Yours forever.

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🏢 BUILT FOR THE TRADE SHOW & EXPO FLOOR

AV professionals trust RTA Analyzer for:

📍 Convention center & expo hall system tuning
📍 Trade show booth audio optimization
📍 Keynote & breakout room PA calibration
📍 Live event sound checks & monitoring
📍 Corporate AV installation verification
📍 Acoustic troubleshooting in large venues
📍 Quick frequency sweeps between sessions

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🎯 WHY AV TECHS CHOOSE RTA ANALYZER

⚙️ 48 kHz sample rate — captures the full audible spectrum
⚙️ Apache Commons Math FFT engine — lab-accurate results
⚙️ Exponential smoothing — stable readings even in noisy halls
⚙️ Pre-allocated rendering pipeline — butter-smooth 60fps display
⚙️ Zero-latency audio capture — see what you hear, instantly

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🛠️ PERFECT COMPANION FOR YOUR AV KIT

Pair RTA Analyzer with your measurement microphone for calibrated room analysis, or use your device's built-in mic for quick checks between sessions. Save calibration profiles for different mics and venues so you're ready to go the moment you arrive on-site.

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📱 Download now and make every venue sound its best.

One app. One purchase. Unlimited precision.

Developed by Genar Studios — tools built by AV professionals, for AV professionals.
Updated on
Jul 24, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

The pro measurement update:
• A and C frequency weighting — the standard pro curves
• Spatial averaging — capture positions, get one true room curve
• Import a target / house curve
• USB measurement-mic support, voice processing bypassed
• 25 gradient themes, including Rainbow and Prism
• New in-app tutorial
Updated for Android 16, plus accuracy and reliability fixes.