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Turn a knob.
Understand the sound.

Build a sound from two oscillators. Play, listen and see what changes — with a little guidance whenever you need it.

SMT / SYNTH LAB

Your sound, from scratch.

01 / Oscillators

Wave shapes above are illustrations. The scope below measures the sound.

0%
7 ct

02 / Low-pass filter

90
0.7

Let the low frequencies through. Shape the brightness above the cutoff.

03 / Volume envelope

0.015 s
0.3 s
0.65
0.3 s

Envelope changes apply to the next note. Sustain is a level; the other controls are times.

04 / Movement

1 Hz
0%

See what you hear

Output waveform · amplitude over time · play a note to see the signal.

Play it.

Click or touch the keys. Computer keyboard: A W S E D F T G Y H U J K. Space: Play / Stop.

Ready. Start with your listening volume low.

SYNTH LAB / QUICK EXPLANATION