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Racerx1977

ANSWERED Shield TV Emby App surround sound is downmixed locally ... no DTS/TRUEHD...

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Racerx1977
Posted (edited)

Hello Emby Community,

 
I have a problem with playing video files with digital surround sound on the emby app. 
 
My setup:
Shield TV pro (8.1.1)
Denon AVR-X2300W
Sony TV
Epson Beamer
 
all connected with HDMI
 
Emby Server 4.3.1.0
Emby App 1.7.78g
 
 
I tried with files from https://thedigitaltheater.com/dolby-trailers/ (City Redux (Lossless)  MKV H.264 1080p  Dolby TrueHD 7.1) but it's the same as with all my other movie files...
 
The video plays but there is no digital surround sound, my AVR reports 2-channel input and you only hear sound from the 2 front speakers... playing the same file with Kodi on the Shield TV is working fine and i get TrueHD, DTS:X or whatever the video has as input on the AVR and sound is on all speakers...  
 
When playing the video, the overview on the server says it's direct playing on the Shield TV.
 
On the nerds info while playing the video it says: Audio-Codec: TRUEHD (local downmix) 
I guess there is the problem, but i have no idea what causes this - and I want to repeat with Kodi i can passthrough the sound to my AVR - it seems the emby app does not recognize my Shield TV / AVR setup correctly... there is no passthrough settings anywhere in the emby app settings...i only found the audio output and that is on "automatic"
I choose passthrough on all the surround formats in the Shield TVs audio settings page - working with Kodi...
 
I sent a report from the emby app at 22:54 (german time) on the 02.03.2020 the emby user was MCWZ and i was just playing that video again - several times to get the screenshots... 
 
Edit (forgot to mention when opening the topic):
cleared data... cleared cache... powercycle the Shield with AVR already on... reinstalled the app... nothing works
 
 
I'm working for some weeks on this issue now and can't get it to work. I'm stuck.... please have a look at it, maybe I oversee some point... I was looking at the forums and couldn't find any other helpful topic's or other user reporting this... most other users have a not DTS capable system or the file was just not DTS-HD but they thought it would be...
 
I appreciate your help and many thanks in advance for any help you are able to provide
Racerx1977
 
Question offtopic: Does clearing the cache of the emby app, clear all the logs?

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embyserver.txt

Edited by Racerx1977

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FrostByte

I had the exact thing happen to me a couple days ago, but running beta.  ebr thinks it may be an issue where the receiver/soundbar isn't coming up quick enough and thus everything gets downmixed.

 

Try to power cycle your Shield with the receiver already on.

 

If that doesn't work I ended up deleting the app and reinstalling. Now everything is working fine.

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Racerx1977

I already did that (forgot to mention, sorry...), but to double check i just did again...but it doesn't help... cleared data... cleared cache... powercycle the Shield with AVR on... nothing works.

 

Thanks for your hints

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FrostByte

You tried deleting the app also and reinstalling?  Sorry, if I missed that

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Racerx1977

You did not miss it, i forgot to mention it, sorry... i added it to the initial post just now, for other new readers...

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FrostByte

Ok, you're at least the third person I've seen with this issue recently.  There's another thread in the beta section too.  I noticed we all have the new Shield experience 8.1.1 and I've never had this issue before loading that.  Could be just coincidental though

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Racerx1977
Posted (edited)

I had the issue before 8.1.1 already - i was hoping to get it resolved, when I seen this update... but there was a time when it worked... but i don't know when it stoped working sadly... could have brought a hint...

Edited by Racerx1977
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Luke

Have you considered the audio settings on the device correctly? There is a down mix option in the app. Is that enabled?

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ebr

Exactly how are the items connected together?

 

The app is being told the system does not support any advanced audio codecs.

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Racerx1977
Posted (edited)

Well... i found the cause, or at least it's working now....

 

In the Shield TV settings the supported sound formats were manually configured - don't know why i did it, but i never thought that manually setting the device to be capable of all sound formats would result in Emby not detecting digital sound formats capability at all... i set the setting to auto detect again and emby works as expected and the passthrough options are available again... it's reproduceable and probably not intended that way...

 

Maybe this should be looked at, or put on a low prio todo list... at least we have a topic and others may find the solution and it helps them.

 

Kodi never bothered the auto or manually setting...

 

I really love emby and don't regret i got the lifetime license - i read the hevc decoding problem will be sorted soon, even better - Great work!

 

Thanks for your time and help

 

Offtopic question: Is there a way to change or create themes myself for the Shield TV Emby App, besides the preinstalled ones? a hint in the right direction would be great...

Edited by Racerx1977
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Luke

Thanks for the feedback!

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ebr

Setting the device back to "auto" was going to be my next suggestion to you.  Well done.

 

I don't think there is much we can do here but we can look into it.  I think when you set it to force like that, then the Android system just throws its hands up and says "I don't know" when we ask it what is supported.

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divide_by_zero

This weekend I installed a new entertainment center and front speakers, and after doing that everything worked fine last night. But today every single file I tried just showed as PCM on the receiver. Foolishly spent lots of time troubleshooting before I searched here (including lots of *cold* boots). And as suggested here, rebooting the Shield with the receiver on fixed the issue -- hallelujah.

 

@@FrostByte , you are awesome, thank you!

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