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Synth

Play with your keyboard · see the waveform

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Controls

Waveform

Octave

Attack

Release

Filter cutoff

Resonance

Echo

Volume

Every key has a shortcut (shown on the key). Lower octave: Z–M with S D G H J. Upper octave: Q–I with 2 3 5 6 7. -/= octave down/up · hold Space to sustain.

Turn your phone sideways

This one needs the extra width.
Rotate to landscape to play.

-- fps