HandSound — webcam theremin synth

Right hand = lead voice, left hand = bass. Raise/lower a hand to change pitch (snapped to notes), open the hand for volume — a closed fist is silent.

Right hand — Lead

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Vol

Pitch

Left hand — Bass

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Vol

Pitch

Pitch snap strength 70%

Glide (portamento) 45 ms

Lead octave

Bass octave

Bass punch 80%

Master volume 80%

Swap hands (if roles feel reversed)

Tips · Keep hands ~0.5–1 m from the camera, palm facing it. Snap strength 0% = free glide, 100% = hard steps. The bass re-thumps on each new note and each time the left hand opens. Recording captures exactly what you hear; export as 16-bit WAV.