HDMI Audio Possible WITHOUT Video??

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Inali

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Oct 31, 2013
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Hey guys, so I have a MSI Z87-GD65 Gaming series motherboard, an MSI GTX 760 2GB OC edition, a Pioneer VSX-1122K 7.2 receiver, and a BenQ XL2420T display all running on Windows 8.1 Pro w/ Media Center x64, nVidia drivers v331.82, Intel drivers v10.18.10.3316. All latest.

Currently I have it hooked up where my monitor gets a 120hz 1080p signal from my GTX 760 via DVI, and audio goes to the Pioneer receiver via HDMI. This works great, however it forcibly renders a second display over HDMI just so that it can produce audio. The onboard Intel HD 4600 is the same way. I simply cannot find a way to make is *just* produce audio over HDMI without rendering a second screen... This is super annoying as sometimes windows open in the second display and I have to switch my video inputs around every time JUST to move the window to the correct monitor.

My question is, is it possible to render only audio via HDMI so I dont have to constantly deal with a second video display? I'd like to point out that the reason I use HDMI for audio is to have lossless 5.1 surround sound. TOSlink or digital coaxial is NOT an option as I cannot use it for surround sound gaming.

Thanks in advance!
 
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The_Prophecy

The_Prophecy

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May 16, 2006
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Unfortunately no. Any time any signal is sent over HDMI, the receiver must always get a video signal in the transmission. It can be a completely static, black image, but there doesn't seem to be any way to disable the video component of HDMI and have it transmit and receive audio only.
 
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Inali

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Oct 31, 2013
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So is there a way to force it to sent a static signal? I just dont want a rendered desktop. If I uncheck the desktop or disable it, my HDMI audio gets disabled.
 
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PinchedNerve

PinchedNerve

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Oct 26, 2013
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I have my video on Display Port & my audio on HDMI. You can tell Windows 8.1 which monitor you want as primary and it will stay that way even after new driver installs. The path is Settings/Change pc settings/PC and devices/Display.

Just so you know, your Mobo has both optical & coax digital out, either of which is for audio only. Either could be used for audio output to your Pioneer VSX-1122K 7.2 receiver so long as you have the corresponding input which I would guess you do, or at least have the optical in.
 
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Inali

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Oct 31, 2013
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TOSlink or digital coaxial is NOT an option as I cannot use it for surround sound gaming. Also, I need 120Hz which is so far only on DVI as far as I'm aware.

Setting the main monitor as primary doesnt help as some programs are stupid and love to open up on that "new" display that I would only be using as sound, and its a PITA to have to switch sources on my monitor just to drag a window back over. None of these are good solutions... :??:
 
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PinchedNerve

PinchedNerve

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Oct 26, 2013
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I wasn't suggesting you use any other method for your display, I was just telling you I have a similar setup. Your only other option currently seems to be to buy an aftermarket sound card that can do surround via coax, or optical, or use you mobo optical or coax out & use your receivers Pro Logic settings to handle surround.
 
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LocutusEstBorg

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Apr 17, 2014
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Buy an X-Fi HTHD or Xonar HDAV and feed the HDMI input with a dummy signal from a VGA to HDMI adapter. Connect the output to your receiver. VGA to HDMI adapters generate HDMI video signals even if not plugged in to a VGA source.

I've been doing this for years.
 
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