Doodle generative compositions in your browser with Musical Spirograph
Musical Spirograph is a browser-based tool that combines Spirograph-style geometric animation with generative music. Moving points trace mathematical patterns and trigger notes as they cross concentric rings, creating an interactive audiovisual composition that the reviewer describes as soothing and engaging.
Users can choose from six virtual rotors, use up to three drawing arms, adjust pattern settings, select six scales or customise notes, and choose among six synth presets. It also offers BPM, quantisation and two-octave ring controls, though its sound engine can clip or produce artefacts and does not currently offer MIDI output.
- Musical Spirograph turns geometric patterns into generative music.
- It offers extensive visual and musical customisation.
- Audio quality and missing MIDI output are drawbacks.
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Musical Spirograph is an online creative tool inspired by the Spirograph drawing toy, which uses rotating shapes to make repeating geometric patterns. In this version, the patterns are animated on screen and also used to control sounds.
As moving points travel around the design, they play notes when they pass through rings. Users can change the rotating parts, drawing arms, musical scales, speed and electronic instrument sounds, allowing them to make different combinations of images and music.
Generative music means some of the result is produced by rules set by the user rather than by playing every note by hand. Browser-based tools such as this make interactive audiovisual experiments available without installing specialist software.