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synth

A playable polyphonic synthesizer — two oscillators, ADSR, filter, delay, played with QWERTY or an on-screen keyboard.

oscillators

osc 1 wave

osc 2 wave

osc 2 detune +7c osc mix 50%

envelope · filter

attack 0.01s decay 0.20s sustain 70% release 0.30s cutoff 3000Hz resonance 6.0

delay · master

delay time 0.28s feedback 35% delay mix 25% master 75%

output runs through a DynamicsCompressor as a brick-wall limiter, so stacked notes never clip.

keyboard

C3–C5

qwerty: a s d f g h j k white keys · w e t y u black keys · z / x shift octave. polyphonic — hold a chord.

© 2026 aaronchartier.com

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