Question Sound bar hookup

[Falcon14]

I have a Sony hd-sd35 soundbar.
How do I hook it up to a Wimius P-28 projector.
I have a audio output on the back and connected to a rca to Hdmi converter and I still have no sound coming out .
Any ideas would help.

 

[hang-the-9]

How exactly is everything connected and with what exact model adapters.