SoundEngg: RTA Audio Analyzer

Built for live sound engineers, FOH system technicians, monitor mixers, studio engineers, and AV installers, SoundEngg is the all-in-one offline RTA spectrum analyzer, acoustic transfer function console, and PA system calculator toolkit. Whether you are time-aligning delay towers at an outdoor festival, designing a cardioid subwoofer array, ringing out stage monitors, or verifying amplifier impedance loads, SoundEngg replaces a rack of hardware audio utilities with a rugged, zero-latency mobile workstation—no internet connection required on site. 1. REAL-TIME RTA SPECTRUM ANALYZER & TRANSFER FUNCTION CONSOLE • 60FPS Real-Time Analyzer (RTA) with 1/1, 1/3, 1/6, 1/12, and 1/24 octave fractional resolution and high-resolution FFT spectrum analysis. • Live Dual-Channel Transfer Function engine displaying Magnitude, Phase (deg), and Coherence traces for PA system tuning and crossover alignment. • 3D Waterfall Spectrogram for spotting room resonance decay, acoustic reflections, and live feedback frequencies. • Multi-Trace Snapshot Memory: Capture, store, and overlay up to 4 reference measurement curves (Traces A, B, C, D) to compare FOH and venue zones. • Custom Microphone Calibration Loader: Import standard .CAL and .TXT mic calibration files for lab-grade acoustic measurement accuracy. 2. SPEAKER DELAY & ACOUSTIC PULSE ALIGNMENT CALCULATOR • Compute exact delay tower and fill speaker alignment in milliseconds (ms), meters (m), feet (ft), and 48kHz / 96kHz DSP sample offsets. • Real-time speed-of-sound compensation using live venue temperature and relative humidity. • Acoustic Pulse Delay Finder: Measure speaker arrival time down to 0.05 ms and export a sample-accurate 48kHz Alignment Click (.WAV) track. • One-tap FOH Alignment Share Card export for sharing DSP delay specs with your system crew. 3. SUBWOOFER ARRAY & CARDIOID DISPERSION CALCULATOR • Design directional bass arrays to keep low-end energy off the stage and focused on the audience. • Supports End-Fire Arrays, Gradient Cardioid, 4-Box Cardioid, and CSA Subwoofer Array configurations. • Interactive 2D Polar Dispersion Map with real-time stage cancellation (dB), physical cabinet spacing, rear DSP delay, and polarity inversion readouts. 4. SPEAKER IMPEDANCE, OHM & AMPLIFIER POWER CALCULATOR • Calculate total load impedance (Ohms) and power distribution for Parallel, Series, and Series-Parallel speaker cabinet wiring. • Automatic amplifier headroom safety analysis and per-cabinet Watt (RMS) delivery calculation. 5. REFERENCE AUDIO SIGNAL & TONE GENERATOR • Precision Sine Wave frequency generator (20 Hz – 20 kHz) with interactive logarithmic sweep, fine Hz stepping, and musical note locking. • Calibrated Pink Noise, White Noise, and Polarity Pulse generator for PA system EQ tuning and speaker phase checks. 6. 1/6 OCTAVE ISO EAR TRAINING LAB • Train your ears to identify surgical EQ boosts and cuts across Octave, 1/3 Octave, and pro 1/6 Octave ISO frequency bands. • Practice with Pink Noise or load custom reference audio tracks with instant Dry/Processed A/B comparison. 7. TAP TEMPO BPM & FX DELAY SUBDIVISION CALCULATOR • Rolling-average BPM tap detector with instant millisecond readouts for Quarter (1/4), Dotted, and Triplet delay subdivisions. 8. OFFLINE AUDIO PINOUT DATABASE & 100+ SYSTEM ENGINEERING GUIDES • Field wiring diagrams for XLR, SpeakON (NL2/NL4/NL8), RJ45 Network Audio, PowerCON, TRS, RCA, and DB25 D-Sub. • 100+ in-depth live sound engineering guides covering line array physics, RF coordination, digital mixing consoles, and gain staging. 100% Offline-Ready on Show Site. Try SoundEngg Pro free with our 7-Day Free Trial!