![]() You must to select the correct output format in Audio MIDI. I have seen that my NUC has a Megachips 2800 chip and I use the "latest" 1.72 firmware. Excuse me j0000, but I believe you can play a 5.1 audio program from a DVD with VLC, which is free. So now I think the problem is narrowed down to an HDMI firmware issue. And of course on the exact same cable leading to the exact same input of my homecinema amplifier. And guess what ? I flashed it and now I can have DDplus working in Netflix and all other video players with the NUC when using this adapter. They sent me the 0x55 firmware of the Parade PS176 chip (I had an old 0x1e). I got in touch with club 3D and asked them if they had a new firmware for the CAC-1504 usb-c to hdmi 2.0 adapter. I completely reinstalled windows 10 from scratch and installed only the intel graphics driver -> I got the exact same issue Would you mind telling me what content you managed to play successfully ? (Netflix ? other file and if yes with which player ?) ![]() I don't know why your test worked : maybe your setup doesn't exhibit the problem because it's more "tolerant" and it may be a complex interoperability issue ? Thank you for trying to duplicate the issue. The market name for AC-3 is Dolby Digital as it is a creation of Dolby Laboratories. If you want me to do any other test or trace, please ask, I'll be very pleased to do it and post results here. I would tend to think it comes from the latter.įor information, I already tried to replace the Intel display driver by the Microsoft generic HD audio one and the problem was exactly the same.Ĭan you try on your side to reproduce and fix the issue ? I guess the problem comes from windows 10 or the Intel display audio driver or the HDMI LSPcon firmware. My homecinema amplifier is a Pioneer LX59 and, to be sure the problem didn't come from it, I tried to play the same video with E-AC3 audio on it in 1920*1080 23p with a Raspberry Pi 2 and audio was absolutely perfect. The same test leads to the same conclusion if you play a video with E-AC3 audio with Kodi or MPC-BE in audio passthrough mode in a 23p or 24p mode. 1 Windows 11 doesn't decode Dolby Digital Plus Atmos to DD 3/2.1 On Windows 10 MPC HC could decode this movie to DD 3/2.1 over SPDIF on my LG all in one receiver. If you do the same test but use a 60p video mode, you won't have any audio issue. > You'll see that audio is heavily broken and cuts out very frequently Second step : launch Netflix and try any series or film (ex : stranger things, orange is the new black.) The easiest way to reproduce is to use the windows 10 Netflix app as all video streams use E-AC3 for the sound part :įirst step : manually set 1920*1080p 23p or 24p with intel graphics tool on your windows desk It happens with any player in passthrough mode (Kodi 17 Kodi 18, MPC-BE, Netflix App) when playing E-AC3 content or 24p. ) work perfectly, at any tested framerate (23p, 24p, 50p, 60p). I did extensive testing on Windows 10 on my NUC 7i3BNH and came to the conclusion that E-AC3 (Dolby Pigital Plus) passthrough is broken (audio keeps cutting out) when using a 24p video mode (for instance 1920*1080 23p or 24p).Īll other passthrough modes (Dolby Digital, true HD, DTS, DTS HD.
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