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No ac3 passthrough, only Stereo sound - Sony Android TV KDL-50W807C!

Hello friends, I`m new here!

I hope you can help me.

I bought a Sony KDL-50W807C Android TV and installed the latest version of Android (Marshmallow) and Plex Media Player.

All my movies are on a QNAP TS-421 NAS where I installes Plex Media Server successfully. I can open plex and have also access to all my movies. But when I play back a movie with Dolby Digital ac3 5.1 sound, my Receiver (Pioneer VSX-817) for a half a second switches to Dolby Digital and turns back to stereo. Passtrough on TV and Plex is enabled (TV is set to "auto 1" and Plex to passtrough "auto").

When I play back the same movie with the pre-installed video player it works, as it should be, with the ac3 5.1 sound. Also my Apple TV 3 doesn`t have any problems with the ac3 5.1 sound.

Because Plex has more possibilities I don`t want to use the pre-installed video player.

Is this sound problem a known Plex or Sony issiue or are there any hidden settings I forgot?

Im sorry for my bad English, its not my mother tongue! :smile:

Thynk you very much for your help in advance!



  • n.aeschlimannn.aeschlimann Posts: 14Members, Plex Pass Plex Pass


    You are not alone. I bought a Sony 65SD8505 and I have a Playbar and the Plex client on the Sony is not outputting DD5.1. Only Stereo.

    I think this is a Sony issue. I tried with the Nvidia Shield and after a few modification in the Shield options, I've been able to output 5.1 to my Playbar.

    Plex and Sony are totally aware of this issue but no one is trying to fix this.

  • kharrkharr Posts: 1Members

    Hi there,

    I have the same issue, so I have to use my blu-ray player as a workaround ... I'd really love this issue to be fixed. It looks like to be a codec issue (licensing maybe ?).


  • mark.witsaman@gmail.commark.witsaman@gmail.com Posts: 1Members, Plex Pass Plex Pass

    I have a Sony XBR75X850C with the same problem. AC3 works on Apple TV but not on Android. Initially Netflix and HDHomerun had the same problem but they now work perfectly since the bugs were fixed in those apps. Even the free Android Live TV app works so this seems to be a PLEX client bug. I will continue to use the free Android app which includes a nice grid guide too, until this AC3 bug is fixed.

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