equalizer.js

OAn audio analysis tool for real-time and choreographed visualizations.

NPM · Source Code · MIT

Start by dragging an audio file — preferably a wav, mp3, or ogg — onto the gray outline box above. Hit the spacebar to play and pause the music. Once audio starts playing you'll notice some visual activity, bands representing different amplitudes at equally spaced frequency bandwidths.

You can also export and import data as JSON with the below text field:

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Created and updated .
A free and open source tool by Jono Brandel