“does this TV process Dolby digital 5.1 and DTS 5.1, does it output these audio formats in optical audio out and ARC, I plan to connect a sound bar does this TV process Dolby digital 5.1 and DTS 5.1, does it output these audio formats in optical audio out and ARC, I plan to connect a sound bar to the TV either via ARC HDMI or optical audio out, Blue ray player to connect to TV”