Category
Visualizers
Building and using Novus Visualizers — reading audio with the Web Audio API, the engine/preset system, beat-synced rendering, and exporting release-ready video in the browser with WebCodecs.
16 articles
Visualizers · Jun 15, 2026
Why the preview now matches the export: rebuilding a music-visualizer render engine
A deep dive into the v2.0 export engine: why preview and export drift apart in the first place, what "seekable" means and why scrubbing used to break, how beat-sync stays locked between the live preview and the rendered file, why every mode is now visually distinct, and what an honest in-browser render pipeline owes the user.
Novus Visualizers
Visualizers · Jun 4, 2026
Multi-band beat sync: triggering bass, mid, and treble independently
Why splitting the audio into bands makes a visualizer feel like it is actually listening to the music.
Novus Visualizers
Visualizers · May 28, 2026
Exporting a release-ready video in the browser — and the tradeoffs we accepted
What "release-ready" means when the encoding happens in your browser, and the compromises that made shipping it possible.
Novus Visualizers
Visualizers · May 27, 2026
Turning sound into motion: reading audio with the Web Audio API
The bridge from a raw audio file to motion that actually responds to the music, explained at the level of the signal.
Novus Visualizers