Hi , I have had a ROKU Ultra for about 8 months now and I don't want to sound dumb but here is my question: I have a older JVC receiver that has HDMI and Dolby Digital and DTS. Does ROKU broadcast in Dolby Digital. It shows Digital and Linear PCM. I have tried on different sites such as Amazon Prime and VUDU etc. and with same results. I have set the ROKU to recognize DD and DTS. On some older movies it shows up on the receiver as normal with the speaker channels showing DD. Also it works on my Blue Ray player as normal. The sound coming from the speakers sounds like it's DD but it isn't showing up on the receiver. Any advice would be appreciated.