java media player : please help!!

Hi,

I am working on a media application for my own Startup co.

The application needs to have a java media player with the following feature
, to play an audio file :

1.)Play back Speed Control( specially negative (slower) ).

And being new to this field i am facing a lot of problems and cudnt get the
solution/code for the above features.

The need is very urgent.

I would be very greatful to you i you cud give me solution for the above
prob.It would be a great help to get the code for the above features.I hope
you will be able to help me from your technical expertise.

Looking forward to hearing from you.

Thanks a ton in advance.
Pradeep