Retune 432 · Lab

Test signals

Reference tones for checking tuning estimation and conversion with an external tuner. Every file is 10 seconds long, 48 kHz, 24-bit WAV, equal temperament. Generated on this device: nothing is uploaded.

Sine · A4

Chord · A major, 8 harmonics, stereo

Self-test

Measure estimation and retuning accuracy, sample count, timing and speed in this browser: open the self-test.