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Synth Lab

Build and tune a playable patch

Treat the page like a bench instrument instead of a dashboard. Start audio, audition a preset, then shape each layer until the waveform and keyboard response match the sound you want.

Layers
1/1
Custom waves
0
Held notes
None
Audio
Prerendered preview only. Audio activates in the browser after interaction.

Monitor

Scope and keyboard

Oscilloscope

Top: waveform over time. Bottom: rough frequency content. Start audio and play notes to see the shape change.

Virtual keyboard

Use your mouse or the marked computer keys. White and black notes now follow a real piano layout.

Master chain

Global output and effects

These controls shape the final instrument after every layer is summed together.

Output

80%

Pull this down when stacked layers start clipping.

Compressor

Delay

Reverb

Voice stack

Layered signal path

Each row is a voice with its own source, noise, envelope, and filters.

sine · noise off

Source

Only the fundamental frequency. Smooth and pure.

Noise

Envelope

Attack, decay, sustain, release

Filters

High-pass and low-pass
High-pass
Low-pass