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GeForce 9800 GTX+ Audio through HDMI - Help

Last response: in Graphics & Displays
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June 27, 2009 10:49:04 PM

Hi all,

I have the GeForce 9800 GTX+ running on WinXP Pro x64Bit. My problem is I get the HDMI output to my 40" Sony TV and all looks great, but I can't get sound with it? Any ideas out there if this is possible? I read somewhere that all 9xxx series cards does support this function, but how???? Help please?
June 28, 2009 12:53:46 AM

Its a two pin SPDIF connection that is on the side of the card. You would need a digital SPDIF sound cable to attach to the card and then to the motherboard, provided the motherboard has the same connection type which most don't.

I own this card also but am using audio supplied from my X-fi sound card instead.

Gotta hand it to ATI for making their audio over HDMI solution better than Nvidia's!!
June 28, 2009 10:38:51 PM

You are right about ATI mate! nVidia slipped up big time with this one!
I will give it a go, I'm running the ASUS P5N32 - E SLi Plus Motherboard with the GeForce 680 chipset. It comes with a little small soundcard so hopefully it does support this SPDIF?
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April 22, 2010 7:00:58 PM

I am having the same problem but with windows 7 64bit. now my card only has 2 DVI out so will that SPDIF cable work with it? in other words i have to use a DVI to HDMI cable to connect to my HDTV and use a 3.5mm stereo to red/white RCA for audio. i wouldnt think it would work since the DVI cant send audio or can it?
April 23, 2010 1:31:02 PM

got it working with the SPDIF cable. i assumed it wouldnt work because every thing i have read about DVI is that it cant transport audio but apparently it can when using this graphics card and a DVI to HDMI cable just goes to show not to make assumptions. lol
April 9, 2012 7:05:57 PM

sephir420 said:
I am having the same problem but with windows 7 64bit. now my card only has 2 DVI out so will that SPDIF cable work with it? in other words i have to use a DVI to HDMI cable to connect to my HDTV and use a 3.5mm stereo to red/white RCA for audio. i wouldnt think it would work since the DVI cant send audio or can it?


I have the same problem - my DVI to HDMI cable does'nt carry sound, and in win7 sound options the geforce9800gtx+ does NOT appear. APologies for sounding naive, but where can I get this SPDIF cable and where do I need to place it? (or does this cable replace the DVI to HDMI cable in question)
October 24, 2012 6:36:43 AM

I'm going on day three of trying to resolve the same issue.

Trying to properly connect a PC to a LCD TV. Video is perfect, but there is no audio. I have a PNY GeForce 9800GT http://www3.pny.com/font-color9999999800-GT-512MB-PCIef... connected to the TV as follows:

9800GT DVI port --> DVI-HDMI adapter --> HDMI cable --> TV HDMI

The SPDIF connector on the 9800GT is also connected to the SPDIF header on the mobo.

The mobo is the Asus IPIBL-LB http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01... with integrated Realtek HD Audio (ALC888S Codec). The 9800GT, Realtek Codec, and the BIOS all have the latest drivers/firmware.

In the Windows 7 sound settings, I have set the default playback device to both Realtek HDMI Output (which I believe is correct for what I'm trying to do), and Realtek Digital Output (which I believe is for the coax SPDIF connection on the back of the PC). Neither produces sound from the TV's speakers. I have also tried different HDMI ports and even a different LCD TV. I have also tried both of the 9800GT's DVI ports. No dice.

As for BIOS settings, the only audio-related one allows me to set Onboard Audio to Enabled, Disabled, or Auto. Pretty sure I don't want to disable this.

I've read threads like these from beginning to end:

http://www.tomshardware.com/forum/263537-33-audio-9800g...

http://www.tomshardware.com/forum/257301-33-hdmi-adapte...

and guides like this:

http://www.hardwaresecrets.com/article/How-to-Use-The-S... ,

which suggest this can be done, but I haven't had any luck. Am I missing something? Is a special DVI-HDMI adapter required or should any generic one work? Would I have better luck with a DVI-HDMI cable?

Any thoughts are appreciated.
March 30, 2013 2:40:36 AM

Nice and easy, connect the spdif on the card to the motherboard. (I used two front panel connectors from an old machine twisted together and taped, not ideal but it worked.)

Open playback devices.
If you want sound from a specific program to use hdmi, just set it in that programs options (easy in wmp by going to options>speakers>properties).
If you want all sound through hdmi then set it as default.
if you want the same sound to play through your speakers and hdmi simultaneously then you will need to enable stereo mix (you may get latency issues)
hope this helps.
!