Harness the Power of AC3 and DTS Passthrough A Guide to Cinematic Audio Perfection

In essence I've configured: HDMI audio device output, 7.1, best match, allow passthrough for everything except DTS & DTS-HD. This does indeed ... then I see on my receiver PCM 3/2/1 if I play video with ac3 or dts sound with smplayer and vlc. I am on: 3.7.7-030707-generic ... In order to pass through all the sound formats as Dolby Digital audio or DTS the sound card should have the encoders built in. Asus Xonar DG ... Audio pass through (AC3, DTS-HD, ...) ,OrangePi. Well if it's a super duper sound bar that supports ATMOS, DTS-MA, and Dolby True HD, then you'd want Pass Through (assumes no change in format ... However, there is a problem with audio passthrough for both AC3 and DTS sources (including the re-encode to AC3 option) where every few seconds ... The DTS pass-thru are working correctly, as well as Dolby. It is just anything the Audio Output setting in the TV App would catch and play as ... or other native codecs. I would surmise that PulseAudio is probably not for you if you want to do this. There is no optional mixing in PulseAudio; everything is ... passthrough? If companies are skimping on passthrough audio; is it software, firmware, or hardware that the problem exists? Or are they too ... Am I right if I say the G-Box midnight does pass through AC3/DTS? If so, then it should be possible with other Android boxes.