If you have it connected to an AV receiver put all sound outputs in zidoo in RAW and let the receiver do the work...
If you let it "RAW" it will output exactly what the file or source is playing, the one in the picture is stereo (2.0), if you a file or source playing 5.1 for example, and have it connected to the tv it only plays 2.0 I would let it raw...