This is a web-based interface for the 3D Tune-In Toolkit. The 3D Tune-In Toolkit is available open-source on GitHub. A more complete set of test applications and interfaces for Mac and PC can be downloaded here. For more information about the project, visit http://3d-tune-in.eu.
This demo might produce audio of very loud levels. It is up to you to make sure you take caution and keep your headphone volume low and so on and so forth.