Acoustic Pitch Standard & Microtuning Spectrum Analyzer

Comparison Standard

Custom A4 Frequency (Hz) 432.00 Hz

Synthesizer & Harmonics

Oscillator Waveform

Fundamental Note A4 (440.00 Hz / 432.00 Hz)

Harmonic Overtones 3

Dual Pitch Play (Beat Interference)

Play ISO 440Hz & Comparison simultaneously

Acoustic Physics Environment

Air Temperature (°C) 20.0 °C

Speed of Sound: 343.42 m/s (v = 331.3 + 0.606·T)

Audio Synthesizer Ready

Click Play Synthesizer to unlock real-time Web Audio rendering

Volume

Real-Time FFT Spectrum Peak Analyzer

ISO A=440 Reference

Selected Standard

Oscilloscope Waveform & Beat Interference Envelope

Beat Acoustic Envelope

ISO A440 Baseline Freq

440.00 Hz

λ = 0.7805 m

Comparison Pitch Freq

432.00 Hz

λ = 0.7949 m

Microtone Cents Delta

-31.77 Cents

Δcents = 1200 · log2(f2 / f1)

Acoustic Beat Frequency

8.00 Hz

Modulation f_beat = |f1 - f2|