home theater connections

[aaryan.varun]

sony kdl-55w800a(with ARC)
yamaha YHT-196(with arc)
STB- tata sky HD plus
BP-samsung BDF5500


i have two questions:
1)i want my STB to play audio sometimes through the A/V receiver i.e. my HT
and sometimes want it to play through TV audio that would be according to my choice? HOW TO DO THAT?
2)my TV has WIFI and i want TV to push its audio to the A/V receiver and play its utility audio into the HT.

connections:
blu ray(out)--> A/V(in) via HDMI
A/V(out)--> TV(in) via HDMI
STB(out)-->A/V(in) via HDMI

THANKS IN ADVANCE FOR THE HELP

 

[aaryan.varun]

found the solution to my question.
and it worked properly.
solution was discovered by myself only hyeah:
i used bravia sync to switch b/w audio system and the tv speakers
and the 2nd question: my A/V receiver and TV both had ARC..
could easily play TV's audio into the system!! :yahoo: