The Perfect Match Dolby TrueHD vs AC3 Passthru for Immersive Audio

I tested with a movie AC3, DTS-HD and Dolby TrueHD. They all went to HDMI ARC as DD 5.1. And DD+ (EAC3) pass through as DD+! Dolby TrueHD and DTS-HD MA are lossless audio formats that provide greater depth and dynamic range when compared to normal Dolby (AC3) and DTS ... "Digital Passthrough" - AC3 passthrough to your AVR (and AC4 passthrough if supported). ... dolby or dts for that to happen.. my question ... BTW, AC3 doesn't do 7.1. You need Dolby Digital Plus, or Dolby TrueHD for that. Wim - Mar 23, 2008. I'm talking with Apple from the ... The on-board sound can't do that. All it can do is pass through pre-encoded DD or DTS. If you want real-time encoding (for games). ... Dolby Digital license. You ... Those games are not capable of outputting ac3 or dts surround --- thus the absence of pass-through setting. ... AC3 audio to the HDTV. In the Audio settings on the Roku you can set the HDMI to “Stereo” or “Dolby Digital (DD)”. Roku models cannot decode AC3 ... Now to play DTS/AC3/Dolby Digital, you need the 'raw' set to on. Then the sound card sends the data to the card as is. The AES0=6 is ... My problem is getting AC3 passthrough to work. I had it working in Mint 11 where I got dolby digital surround using vlc player by selecting alsa (with hdmi) ... 5.1 sounds better to me so far. Shouldn't 7.1 uncompressed format sound better? The 5.1 audio is definitely louder but I can just turn 7.1 volume up, but the 5 ...