// live demo
Audio Reactive
A self-contained synthwave drone built with the Web Audio API —
two detuned oscillators, an LFO on the cutoff, a soft filter —
feeding an AnalyserNode that drives a canvas
visualizer in real time. No library, no audio file, no mic.
- Web Audio API
- OscillatorNode + BiquadFilter
- AnalyserNode
- Canvas 2D
Heads up: Click "Start" to allow audio playback —
browsers block AudioContext until a user gesture. Headphones
recommended for the full effect.