Kretz Mono Synthetic Drum Machine v1.3

This is a single-oscillator drum synthesizer with dual filters, a pitch envelope, a 32-step sequencer, pitch speed control, and more. Remember to click on the page to unlock audio in modern browsers!

Oscillator

Octave (C-3 → C5) C0
Pitch 70 Hz

Amplitude Envelope

Attack 0 ms
Decay 204 ms
Sustain 12
Release 557 ms

Lowpass Filter

LP Cutoff 8186 Hz
LP Resonance 8
LP Env 86

Highpass Filter

HP Cutoff 139 Hz
HP Resonance 0
HP Env 0

Pitch Envelope

Attack 0 ms
Decay 89 ms
Sustain 41
Release 1512 ms

Pitch Speed

Pitch Speed 0%

Effects

Distortion 9%
Compressor Threshold -53 dB
Compressor Ratio 18:1
Master Volume 99%

32-Step Sequencer

Sequence Length 32
Tempo 120 BPM

Left-click = toggle step on/off.
Drag up/down on a step to adjust velocity.
Right-click = remove step (turn it off).

Oscilloscope Zoom

Zoom 1.0x

Documentation

Kretz Mono Synthetic Drum Machine is a single-oscillator drum synthesizer featuring dual filters, a pitch envelope, distortion, compression, and a 32-step sequencer. Key features:

Usage Tips:
- Open the page in a modern browser using HTTP (not file://).
- Click anywhere once to unlock audio (due to browser audio policies).
- Use the top or bottom buttons to Play Sound, Generate WAV, Play Sequence, Stop Sequence, or Export Sequence.
- Adjust parameters with the sliders and numeric inputs. - To tweak the sequence, left-click steps to toggle them, right-click to remove, or drag vertically to change velocity.
- The Clear Pattern button resets all steps to off/velocity=127, while Random Sequence picks a random pattern.
- The Oscilloscope Zoom slider helps visualize the waveform amplitude in real time.

That's it — have fun exploring your own synthetic drum patterns with the Kretz Mono Synthetic Drum Machine!