According to Java weblogger Jonathan Simon, JavaSound lead programmer Florian Bomers is currently the only person assigned to the project at Sun:
I've worked with Florian in the past, mostly communicating via the JavaSound listserv. Now, I always knew he was the only one that returned my emails. I just figured he was the head of the team or at least the designated spokesperson. Well, it turns out he is the team -- the whole team!
The library, a standard part of Java 2 since version 1.3, has a reputation for being extremely crash-prone.