Celemoy / The vocal sound lab

Your voice.
In tune.
In control.

Explore the science of pitch, improve your singing, and make natural-sounding vocal productions. Clear lessons, practical techniques, and a free reference-tone lab.

18 in-depth guidesVoice · Vocals · Audio
SOUND STUDIES / 01
PITCH · TONE · EXPRESSION220 Hz ⇋ 440 Hz
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Learn the scienceFrequency, formants, cents and the physics of audio.
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Train your voicePractical exercises for pitch and melody control.
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Produce better vocalsReal workflows for editing, harmonies and mixing.
Interactive listening tool

Train your ear.
One note at a time.

Choose a frequency, hear a simple reference tone and try humming the note. Start in a comfortable range. This is a listening exercise, not a voice diagnosis.

REFERENCE OSCILLATOR
220 Hz
A3 · +0 cents

Tap to hear a gentle one-second sine wave.