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CarlD74
Contributor II
November 12, 2020

LPCM and 4k Blu-Ray players

So with the 12.2 update and LPCM, I was hoping to solve my issue with DTS sound from 4K blu-rays. I am using an Arc/Sub/Play Ones system on an LG C9 with a Panasonic UB820 player. Last night I messed around with some settings on the TV and the blu-ray player, changing to PCM, and still only showed Stereo 2.0 from my Sonos system. I was under the impression I should see multi-channel now? Does anyone know which settings in particular I need to change or what I may be doing wrong? 

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ledzep1
Headliner II
November 13, 2020

Thanks @ledzep1 that’s helpful.  I think the principle here (but as you can tell this isn’t something I am expert on) is that you have to feed a Sonos HT device something it can handle.  If you send DTS to a Sonos HT speaker you will get silence.  So I think it comes down to what your BRP and TV are capable of converting DTS to and outputting. If the gear an Arc user has is capable of turning DTS into multichannel LPCM, then they are sorted now whereas they weren’t before. 

What I don’t know is whether lots of users will have that capability, or it will be the exception rather than the rule.  My gut feeling is that many users will find that the best their equipment can send to the Arc having started from DTS on Blu-ray is PCM2.0.  My gut feeling may well be totally wrong.

 

Yeah I see what you mean, Im unsure where the conversion takes place, I know my cx can pass LPCM, Im presuming its the oppo203 doing the conversion though. Even if I have it set to bitstream, somewhere along the line it realises it can't pass DTS and converts it.

My CX cannot pass DTS, thats why I think its the player that converts it.

 

DarthConos
Lyricist I
November 25, 2020

I'm struggling with this as well. 

Setup: Panasonic 824 4K Bluray, Samsung Q850T, Arc.

Arc is updated, TV is on eArc and Passthrough.

No matter if I set the BRP to PCM or Bitstream, I always get PCM Stereo 2.0 instead of 5.1 or 7.1.

Any ideas/experience with a similar setup? 

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