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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.

11 articles

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All11Audio & rendering3Editing & templates3Launch & flagship5

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  1. An audio spectrum split into bass, mid, and treble bands, each driving a separate visual effect

    Field guide · 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

  2. Client-side export pipeline: rendered frames encoded with WebCodecs to MP4 or WebM with platform presets

    Field guide · 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

  3. Audio signal flowing through FFT, beat, and loudness analysis to drive visual parameters per frame

    Field guide · 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

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