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Android TV and nVidia shield - PCM Audio

Android TV PCM Audio nVidia Shield

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#1 jordy OFFLINE  

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Posted 19 March 2018 - 02:51 AM

Hi,

 

I have an 2017 nVidia Shield connected directly to my stereo TV. For Audio, I have a pair of Sennheiser Headphones (TR195) which accept a digiital PCM signal...

 

Is there any way in which I can enforce Audio encoding from DD, DTS etc to PCM? Either from the App or the Server will do. At the moment everything is encoded/decoded to Stereo and I wanted to see if audio is improved - maybe surround sound? via PCM.

 

thanks



#2 Jdiesel ONLINE  

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Posted 19 March 2018 - 02:53 AM

Stereo is 2 channel PCM

#3 jordy OFFLINE  

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Posted 19 March 2018 - 02:58 AM

Stereo is 2 channel PCM

yes, I am aware of that thks. I believe there is also 5.1ch PCM, which is what I'm hoping I can get and use



#4 ebr ONLINE  

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Posted 19 March 2018 - 10:45 AM

Your headphones support multi-channel PCM input?

 

How?



#5 jordy OFFLINE  

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Posted 19 March 2018 - 07:09 PM

I'm not actually sure that they do :) I just wanted to see if feeding them 5.1ch PCM made any difference to the experience. Hence the question.



#6 Jdiesel ONLINE  

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Posted 19 March 2018 - 07:11 PM

I'm not actually sure that they do :) I just wanted to see if feeding them 5.1ch PCM made any difference to the experience. Hence the question.


Unless they have an HDMI input I'm not sure how they would.

#7 jordy OFFLINE  

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Posted 19 March 2018 - 07:20 PM

They have an optical audio input and the manual says they can accept/decode PCM audio. Doesn't specify how many channels. As I said to @ebr, I just want to see if the experience is better with 5.1ch input. No biggie if its not possible, but my theory is - if Android TV can mux 5.1ch DD or DTS etc down to Stereo PCM, then it should also be possible to mux it to 5.1 PCM? A reasonable question?



#8 Jdiesel ONLINE  

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Posted 19 March 2018 - 07:24 PM

They have an optical audio input and the manual says they can accept/decode PCM audio. Doesn't specify how many channels. As I said to @ebr, I just want to see if the experience is better with 5.1ch input. No biggie if its not possible, but my theory is - if Android TV can mux 5.1ch DD or DTS etc down to Stereo PCM, then it should also be possible to mux it to 5.1 PCM? A reasonable question?


Optical connections are limited to 2 channel PCM

#9 jordy OFFLINE  

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Posted 19 March 2018 - 07:28 PM

er no. I'm talking about the Optical Audio connection that is commonly used between a DVD player and a Receiver/Amp to carry 5.1ch audio pre HDMI, also commonly known as Toslink etc


Edited by jordy, 19 March 2018 - 07:30 PM.

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#10 Jdiesel ONLINE  

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Posted 19 March 2018 - 07:38 PM

I tried...
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#11 jordy OFFLINE  

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Posted 19 March 2018 - 08:22 PM

I'm also thinking about Gaming Headsets... They are supposed to have virtual surround sound, I haven't experienced it personally but my son assures me they do. My headphones were not cheap (AUD$500+) probably more than a lot of gaming headsets so it's entirely possible that they also have some sort of vitualisation capacity.

 

Anyway, a friend of mine once said that if there's something you don't know or are not sure about - the only stupid question is the one you don't ask! :)



#12 ebr ONLINE  

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Posted 20 March 2018 - 10:19 AM

er no. I'm talking about the Optical Audio connection that is commonly used between a DVD player and a Receiver/Amp to carry 5.1ch audio pre HDMI, also commonly known as Toslink etc

 

Yes, and that connection is limited to 2 channel PCM.  The way you get multi-channel out of that connection to a receiver is by sending compressed audio formats like DD and DTS that the receiver then decodes.


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#13 jordy OFFLINE  

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Posted 21 March 2018 - 12:10 AM

Yes, and that connection is limited to 2 channel PCM.  The way you get multi-channel out of that connection to a receiver is by sending compressed audio formats like DD and DTS that the receiver then decodes.

OK, I understand. No problem.

 

thanks







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