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Thread ID: 134743 2013-08-05 01:32:00 Where to find S/PDIF cable to go from motherboard to graphics card wratterus (105) Press F1
Post ID Timestamp Content User
1350666 2013-08-05 04:09:00 That's right, but a DVI-HDMI adapter should work fine, shouldn't it? wratterus (105)
1350667 2013-08-05 04:18:00 No.....DVI will only pass the video thru...HDMI passes both! Perhaps why we got confused, you need to take audio from PC motherboard to TV SolMiester (139)
1350668 2013-08-05 04:47:00 Hold on though... I thought that DVI-D and HDMI were the same thing - just a different pin layout, and I assumed Nvidia do some vodoo to get the audio to travel through the adapter... if it doesn't work, what is the point of Nvidia including a plug on their cards for S/PDIF audio when there are only DVI outputs on the card?

www.hardwaresecrets.com
wratterus (105)
1350669 2013-08-05 05:23:00 Not sure on the why with Audio and dGPU, does it not have another output between the DVIs?..However there is no way you will pass A & V through DVI to the TVC......

HDMI vs DVI what is the difference?
When looking at the differences, HDMI vs DVI actually have more in common then differences. They are both all digital, they also are all based on similar specifications since HDMI was derived from the DVI specification. There are two big differences:HDMI incorporates content protection called High Definition Content Protection (HDCP). HDMI supports audio in addition to digital video. (DVI only supports digital video)
SolMiester (139)
1350670 2013-08-05 05:37:00 Fair enough... so I fail to see why Nvidia would give the option of using one of those adapters, if audio passthrough can't work with that card.

I've got my Samsung TV hooked up to a 6870 through a DVI to HDMI adapter, and I'm sure there is an option to use it as an audio output device, I'll check that when I get home.
wratterus (105)
1350671 2013-08-05 06:21:00 Fair enough... so I fail to see why Nvidia would give the option of using one of those adapters, if audio passthrough can't work with that card.

I've got my Samsung TV hooked up to a 6870 through a DVI to HDMI adapter, and I'm sure there is an option to use it as an audio output device, I'll check that when I get home.

IDK then mate......ATI has a sound chip on their GPU, NV did not at the time, however still brings up the DVI to HDMI issue of passing audio through!, I could be wrong?!
Just found something....
HDMI has an integrated audio signal whereas DVI only transmits digital video. There are some DVI to HDMI adapters available that include an audio plug on the DVI side that is converted into the HDMI signal, but, from what we've seen, this technology is still developing and it is also fairly expensive. It seems to be more cost effective to get an adapter and a separate audio cable.
SolMiester (139)
1350672 2013-08-05 06:28:00 No worries - this is interesting. ;)

Just got home, TV is plugged into the PC (ATi HD6870) through a bog standard DVI-HDMI adapter, and the sound on the TV works as long as the default device is switched in the sound control panel on the PC, so outside of there being audio codecs on the card which is a different thing, there certainly is a way to pass audio through a DVI plug.

Really keen to get hold of one of those cables now and test it with the older card in the old's PC and see if that works.
wratterus (105)
1350673 2013-08-05 07:52:00 Wow wicked...I guess then its only HDCP that doesnt pass thru now then?!.... SolMiester (139)
1350674 2013-08-05 08:03:00 My apologies Wratt, I remember clearly the box these cables were in but I don't seem to have that box any more.
Looks like it got lost in the last move.
DeSade (984)
1350675 2013-08-05 08:08:00 @Sol, must be, very cool.

@DeSade, no worries, I'll track one down somewhere.
wratterus (105)
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