You cannot change or add a driver, you can only use a customized exe.
This has been discussed a lot in Zenec threads, you just have to try several packages (exe's) until you find one that works.

It is easily possible that you will have sound only with this edition:
[Only registered and activated users can see links. ]
provided it detects your receiver at all.

But, you can test it also with
[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]
or
[Only registered and activated users can see links. ]