Java Sound Resources: Applications: JSInfo
This application display various, mostly static information about a Java Sound implementation. It is also suitable to detect some installation problems (namely of service providers).
JSInfo can show information about:
JSInfoApplet - run as applet (classic APPLET tag)
Normally, the tab 'Service Providers' will not show anything. This is due to security restrictions for applets. To enable this feature, you have to allow the applet to load arbitrary classes.