I have the same question
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Same problem with HRA here with Plex on Shield TV Pro 2019 to Pioneer VSX-LX303.
Same problem on MX Player Pro.
Same problem on SPMC.
VLC Player works fine with HRA.
Kodi also works fine.
I am waiting so a long time, more than an Year for a fix, but Plex do nothing about this problem.
Plex on Android TV use Exoplayer. It seems the Emby team found a fix for this issue in Exoplayer :
https://emby.media/community/index.php?/topic/90201-dts-hd-hra-71/
Could Plex team implement a fix too ?
So we have to wait for a fixed Exoplayer in Plex, that comes from Emby for Android TV 1.8.36g.
Many thanks o_spring / Audiomixer for your persistence.
On this link. I only had a problem with emby not playing a DTS-HD HRA whereas plex, Kodi, mrmc played them correctly. Emby solved their issue for me using my denon x4500. I have learned one thing over the years and that is no one program will play everything and so the reason I have multiple players as there will be one player that works. I do submit samples where I can when I have issues.
I have the issue with the same sample files (see few post before). My Onkyo Tx-NR656 shows DTS instead of DTS Hi Res and I have no sound (or very very low inintelligible sound). Kodi with the plex plug-in does not have the problem. MX player do have the same problem however.
o_spring, exact the same here with Pioneer VSX-LX303.
audiomixer, I donāt know why the denon works with plex, but your Emby problem sounds like our problem, too.
So we have a good chance for help with Exoplayer from 1.8.36g.
Your stocking, play, stocking, play problem i have sometimes too with Exoplayer in Plex for Android 8.8.0.21167-beta but I use USB3 Harddrive on Shield with HDMI2.1 Cable to QLED TV.
But with jump in Movie or Shield restart also sometimes it works fine. Here I hope for 1.8.36g, too.
Edit:
Found Plex for Android 8.8.0.21200 but problem wasnāt fixed.
https://www.apkmirror.com/apk/plex-inc/plex/
Oh, that sounds awesome, to begin with. Many thanks to the emby guys!
Hopefully, the plex dev team will fix the exoplayer as soon as they can.
Just a small word on Kodi. It is expected to work, they donĀ“t use exoplayer and fixed it in their player engine a long time ago.
( I had a chat with the Nvidia support, but I think they donāt understand what the issue is or donāt want toā¦ answer from them was just ānot supportedā - so, unfortunately, no chance that they will get involved)
New Plex Beta 8.8.1.21331 available.
Problem wasnāt fixed :((
We do not know if the plex team has acknowledged this problemā¦ @DaveBinM could you have a look to this topic ?
Same issue on Google Chromecast TV
āAn error occurred while attempting to play this video. Please check your connection and try againā
I donāt have a sample of DTS-HD HRA 7.1 to try, but Iāve tried DTS-HD HRA 5.1 with my 2019 Shield Pro with passthrough both enabled and disabled, and in both situations, I had audio and video playback as expected. If anyone has a sample of a 7.1 file they could share, itād be much appreciated. https://support.plex.tv/articles/201035968-generating-sample-files-from-media/
EDIT: I got some 7.1 samples, and they work for me too. If people have particular files that are problems, Iād very much appreciate a sample of those
Hi !!
I am happy to see someone of plex team looking into this problem
In fact every DTS HRA file I have tried I have the problem.
Here is one among many : http://s1.demo-world.eu/hd_trailers.php?file=dts_orchestra_short_lossless-DWEU.mkv
I think that not every AV receiver is experiencing the problem. Mine is Onkyo TX-NR656. But there are others (pionner, denon seems to be affected too). I have the impression that the metadata that come along with the audio is wrongly interpreted and the AV receiver is using a DTS core dƩcoder instead of the DTS High Res decoder : DTS mode is on on on my receiver while playing but sound is imperceptible (some very low noise only)
Kodi with plex plug-in is playing fine these file with passthrough activated. They seems to have found the fix. MPV player team and Emby player team seems to have found a fix too.
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Hmmm, I tried that sample and my HEOS Bar played it okay, and registered it as DTS-HD 
Also, sorry I missed your last ping. Oct 28th is my wedding anniversary, so I was away then 
Late happy birthday then 
Did you read this emby thread :
https://emby.media/community/index.php?/topic/90201-dts-hd-hra-71/
They seems to found the issueā¦ they use Exoplayer too on the shield TV it seemsā¦
By the way My Android TV device is a Shield TV pro 2019 on the latest firmware but this problem is very old and I already had this on my former shield TV 2017
And here is a (old) thread about this on Kodi forum :
Yeah, our version of ExoPlayer is not quite vanilla, but we should be updating to a newer version in future
Maybe the patch they made could be merged back to the version plex currently use ?
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I have experienced mainly older receivers and non-standard avr systems (like soundbars) seem to be fine with how dts-hd hra is streamed right now. Newer receivers donāt like it, as they, I assume, implement it differently. (correctlyā¦ as dts:X can be on top of dts-hd hra and can be decoded by these newer receivers, something which is not supported on older systems, to support dts:X/hra, dts changed their āreferenceā implementation)
Just for reference (i know exoplayer is different)
Kodi fix:
Hmmm, I was under the impression that DTS:X was built upon DTS-HD MA, not DTS-HD HRA, which is an older, lower bitrate HD audio codec. While my soundbar doesnāt support DTS:X or Atmos, it does support DTS-HD codecs, and TrueHD (and down mixes as needed). Itās a fairly new model (had it 3 years) made by Denon.
