Frame perfect audio+animation sync. Like YTMND but better.
Uses the Web Audio API and HTML5 canvas to sync animations to songs. See examples for config.
Some examples:
Certified Working Material
Am I Poplar Yet?
Life In a Nutshell
All examples are converted from wonderful flash loops by Pyure and AMM.
The videosync branch has very rough test code for using HTML5 video elements instead of canvas. It works very well on desktop by dynamically scaling playbackRate, but has 0 support on mobile, so I dropped it.