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-   -   Odd Dual GPU Question (https://www.hardwarecanucks.com/forum/video-cards/53727-odd-dual-gpu-question.html)

JohnHenery April 27, 2012 09:57 PM

Odd Dual GPU Question
I have a HTPC and right now I have am using a GT430 to provide audio and video to my screen and amp. I have a very odd question as I am not sure if it will even work but I am sure someone here knows. I have a 3D TV but my amp uses HDMI 1.3a so in order to use 3D I need an HDMI going to the amp and one going to the TV. I did a quick check and to my surprise I have not found just a HDMI sound card. I know auzentech makes a card that has HDMI out on it but its :shok: $200. So my question is could I buy a cheap GPU with HDMI out and send all my audio out that card to my amp and have my GT430 send out video to the 3D TV? Basically have 2 mismatched cards one for audio and one for video, would it work?

WhippWhapp April 27, 2012 11:49 PM

Xonar HDAV1.3

supaflyx3 April 28, 2012 12:06 AM

Yes you can do that, but a similar option would be just to use optical audio, that way you won't need a second card if your motherboard has it.

JohnHenery April 28, 2012 09:54 PM

Optical can't output DTS HD Master Audio or Dolby True HD audio. Thanks WhippWhapp still a bit on the pricey side considering for $30-$40 I can can get a video card with HDMI out.

KaptCrunch April 29, 2012 06:24 AM

JohnHenery what sound card using or onboard sound ?

what setting on HT amp set at linear PCM or Dolby bitstream

JohnHenery April 29, 2012 07:07 PM


Originally Posted by KaptCrunch (Post 624754)
JohnHenery what sound card using or onboard sound ?

what setting on HT amp set at linear PCM or Dolby bitstream

Right now I am using the HDMI out from the GT430 for both audio and video.

JohnHenery July 9, 2012 05:26 AM

It's been a while and sorry to bring up this old post but I thought I would come back and post what I did just in case some one else has this problem as well. You may have to have a graphics card that allows DVI to output audio, like my GT 430 does. I have the DVI going to my amp using a DVI to HDMI cable and the HDMI cable going to my TV all on single GT 430, you can also do it the other way around but it didn't work for me. After that make sure you setup you display as an extended desktop. Now for the 3D settings open Nvidia control panel go to the 3D settings and run the setup. After that all you have to do is enable the 3D resolution when you want to watch 3D content and turn it back to reg 1080p HD when done. That is all you need to do, no several hundred dollar audio card to get the HD Blu-ray sound nor do you need an additional GPU.

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