Empowering Everyone with Precision Acoustic Intelligence.
Sound Analyzer was built to eliminate the barriers to laboratory-grade acoustic analysis. By leveraging modern Web Audio DSP and GPU acceleration, we deliver real-time 16,384-bin FFT spectrum visualization, IEC 61672 sound level metering, and musical pitch diagnostics directly in your browser—with zero installation, zero cost, and 100% client-side privacy.
Our Mission & Purpose
The Legacy Problem
Historically, accurate audio analysis required cumbersome dedicated hardware units costing thousands of dollars or heavy desktop software requiring native licenses, complex drivers, and constant installation updates.
Worse, many modern online audio tools upload user microphone streams or sensitive audio files to cloud servers, introducing latency, security liabilities, and data privacy risks.
The Sound Analyzer Solution
Sound Analyzer reinvents acoustic software by executing digital signal processing natively in the browser via the W3C Web Audio API.
By computing Fast Fourier Transforms, windowing filters, and logarithmic energy distributions directly on your CPU/GPU hardware, we achieve ultra-low latency audio visualization without sending a single byte of audio across the internet.
Technical Core & Standards Compliance
Every algorithm in Sound Analyzer is built upon peer-reviewed mathematical DSP foundations and international electroacoustic measurement standards:
Native high-precision digital signal pipeline processing samples up to 192 kHz with zero quantization clipping.
Calibrated A-weighting, C-weighting, and Z-weighting filters with continuous equivalent sound level integration.
31 ANSI/ISO standard center frequency bands with constant percentage bandwidth (CPB) room tuning.
Multiplying downsampled spectral representations to extract true fundamental notes (f₀) with ±0.1 Hz accuracy.
Full support for scientific 432 Hz, standard 440 Hz, and European orchestral 442 Hz reference concert pitches.
Hardware-accelerated HTML5 canvas renderers delivering smooth 60 frames-per-second visual feedback.
Explore the Modular Audio Analysis Suite
Спектр на 16 384 полосы с логарифмической/линейной шкалой и фиксацией пиков.
Master Studio →Плотная 2D тепловая карта время-частота с 6 научными цветовыми палитрами.
Master Studio →31 полоса по стандарту ISO 266 для акустической калибровки помещений и акустических систем.
Master Studio →Осциллограф временной области с синхронизацией по переходу через ноль.
Master Studio →Вектороскоп фигур Лиссажу X-Y и измеритель фазовой корреляции стереосигнала.
Master Studio →Точное определение нот и высоты звука музыкальных инструментов и вокала с точностью до цента.
Master Studio →Мониторинг эквивалентного уровня шума по стандарту IEC 61672 с фильтрами dBA и dBC.
Master Studio →Генератор чистых синусоидальных волн, свип-тонов и розового, белого и коричневого шума.
Master Studio →Автоматический анализ земляных петель и гармоник переменного тока 50 Гц / 60 Гц.
Master Studio →Тестирование цифровых биквадратных фильтров с графиками амплитудно-частотных характеристик Боде.
Master Studio →Empowering Everyone with Precision Acoustic Intelligence.
Sound Analyzer operates on a strict zero-knowledge architecture. When you grant microphone access or load an audio file, all audio buffers are processed entirely inside your local device's browser memory.