Opus Visualizer
Master Signal Chain
16-Step Sequencer
Tap a cell to toggle a step. On mouse or pen you can drag across cells to paint. Swipe the grid sideways on narrow screens.
Tap a cell to toggle a step. On mouse or pen you can drag across cells to paint. Swipe the grid sideways on narrow screens.
A deterministic keyword-driven beat generator and a formant vocal synthesizer. Nothing is sent anywhere; there is no model and no network call — it maps words in your prompt onto tempo, filter and step-pattern rules.
This is additive formant synthesis driven by the character count and letters of your text — it produces a robotic vocal texture, not intelligible speech.
Two different exports. Both write real 16-bit PCM .wav files.
Renders the sequencer offline (faster than real time) with the current tempo, swing and low-pass setting. Does not include anything you play on the keyboard.
Records the real master output in real time — sequencer, keyboard, vocal samples and all FX — then encodes it to 16-bit PCM stereo WAV.
Capture idle.
Browsers block audio until you interact with the page. Press Play, or tap any piano key, to start the audio engine.
.json file (patterns, tempo, FX, synth settings)..webm file via MediaRecorder..wav.