Bitstream Dolby TrueHD / DTS HD Master Audio from laptop to receiver - AVS Forum
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post #1 of 4 Old 04-25-2013, 01:28 PM - Thread Starter
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I recently bought a Pioneer Elite vsx-21txh receiver and I am having trouble getting Dolby TrueHD or DTS HD Master Audio to bitsream from my Lenovo T420 laptop.

Currently I am using a displayport->HDMI adapter to input into my receiver which in turn outputs to my 50" Toshiba TV. I can bitstream standards DTS and Dolby Digital no problem and get discrete surround sound, however when I try to play sources with DTS HDMA or Dolby TrueHD, the receiver doesn't recognize that there is a lossless signal and still decodes only the core DTS or DD.

I'm running windows 7, my receiver supports the HD lossless audio formats, and according to the "Playback device" properties on the T420's HDMI audio device, it also lists "DTS HD" and "Dolby TrueHD" under its encoded formats. My Nvidia driver is a bit old (268.71), however I don't think that is the issue...

Has anyone had experience outputting HD audio from Nvidia powered laptops? Any help would be greatly appreciated...
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post #2 of 4 Old 04-25-2013, 01:42 PM
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what player are you using? I think VLC does not support those.
But with proper settings you should definitely be able to bitsream uncompressed Dolby and DTS audio from MPC and windows media player/media center

you may want to check "home theater computers" forum for support

see this thread for example
http://www.avsforum.com/t/1357375/advanced-mpc-hc-setup-guide
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post #3 of 4 Old 04-25-2013, 01:47 PM - Thread Starter
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Thanks for the quick reply. I forgot to mention I am using XBMC player, which has an audio engine that recognizes and should stream the HD lossless formats...in theory
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post #4 of 4 Old 04-25-2013, 01:57 PM
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I do not know much about XBMC but there is a sticky in the HTPC forum, of course.

Check this post for the list of supported cards
http://www.avsforum.com/t/1294647/xbmc-media-center-setup-guide-knowlege-base-support#post_19574623

good luck
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