dancer.js is a high-level audio API, usable with both Mozilla’s Audio Data API and Webkit’s Web Audio API with flash fallback, designed to make sweet visualizations.
Features:
Use real-time audio waveform and frequency data and map it to any arbitrary visualization
Use Dancer to get audio data from any preexisting audio source
Leverage kick detection into your visualizations
Simple API to time callbacks and events to any section of a song
Supports Web Audio (webkit), Audio Data (mozilla) and flash fallback (v9+)
Extensible framework supporting plugins and custom behaviours
