cv_salise
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Hi, as per the title, I recently replaced my r9 280x with a GTX970 and I've had this audio problem since ( I dont have it with the r9 280x)
Basically, I hear a buzzin (EMI) noise thru my headphones on 3d apps (games, google earth)
1. My soundcard is Creative Soundblaster Z
2. Used both my Audiotechnica and Grados and the sound is there
3. I have disabled onboard audio
4. Buzzing sound is there whether I plug thru front panel jack or directly to the headphone jack of my soundcard
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bsmegreg
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 16:58:29
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It would be electrical interference from the video card. I don't think there is much you can do about it. I have it pretty bad too and I always figured a sound card would help, but I guess not...
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cv_salise
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 17:11:15
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But I didn't have it with the 280x.is my 970defective?
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Zuhl3156
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 17:18:39
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Can you move the audio card to a different slot? If the 970 has coil whine it could be causing interference from something called spurious radiation coming from the chokes on the video board.
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cv_salise
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 17:30:36
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THanks, let me try when I get back.
Just to note, the r9 280x had terrible coil whine, this 970, if it has,which I dont notice,is much less
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EVGA_James
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 17:35:10
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bsmegreg
It would be electrical interference from the video card. I don't think there is much you can do about it. I have it pretty bad too and I always figured a sound card would help, but I guess not...
This is pretty accurate. If the sound card or audio processor does not have proper/enough shielding you can get interference from other electrical components. This is the main reason why I never recommend using front panel audio headers. External Dac/AMPs are the best way to go especially if you are using head headphones.
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sNeAk0wNs
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 17:55:00
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EVGATech_JamesL
bsmegreg
It would be electrical interference from the video card. I don't think there is much you can do about it. I have it pretty bad too and I always figured a sound card would help, but I guess not...
This is pretty accurate. If the sound card or audio processor does not have proper/enough shielding you can get interference from other electrical components. This is the main reason why I never recommend using front panel audio headers. External Dac/AMPs are the best way to go especially if you are using head headphones.
I was going to say the same as i've the same card only the FTW+ , not much difference but i have the same issue. So i'm going to upgrade my monitor soon with the new asus MX34 its got a built-in DAC internally. A DAC is probably your best bet for your solution.
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cv_salise
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 18:24:55
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Am I right to conclude that the 970 produces more interference than the 280x? Same cards, same audio cards, same location etc.. Only change is the graphics card and I get this on my headphone
So I solve the annoying coil whine know my 280x but have this bigger problem on my 970 =(
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cv_salise
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 20:01:28
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This is really disappointing.. Does that mean Evga didn't factor this in the design of the card? I'm frustrated because I took the risk on buying the Evga even though it's not local warranty (I'm in Singapore and Evga rma is in taiwan) whereas I could have gotten a palit, Mai or zotac or any card with local warranty where rma is easier Anyway, is the Asus u7 considered an external dac? It's a USB sound card
post edited by cv_salise - 2016/02/12 20:28:41
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ty_ger07
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 20:45:59
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Yes, USB sound card is an external DAC.
DAC stands for digital to analog converter. USB is digital and is external to your computer. The noise should go away if you use a USB sound card.
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EVGA_James
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/12 20:50:09
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Unfortunately it is a bit hard to say if you would or would not have the same issue with a different card or different manufacturer. As mentioned I would suggest move the sound card to a different pci-e slot further from the card.
post edited by EVGATech_JamesL - 2016/02/12 21:02:47
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bob16314
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/13 00:28:30
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More info about your system hardware might be helpful, but sometimes noise like that can occur over the PCIe bus if the PCIe x16 link speed is not set correctly in the BIOS..If there's a BIOS setting for it, try manually changing it to a different Gen (Gen3, Gen2)..Just a thought.
* Corsair Obsidian 450D Mid-Tower - Airflow Edition * ASUS ROG Maximus X Hero (Wi-Fi AC) * Intel i7-8700K @ 5.0 GHz * 16GB G.SKILL Trident Z 4133MHz * Sabrent Rocket 1TB M.2 SSD * WD Black 500 GB HDD * Seasonic M12 II 750W * Corsair H115i Elite Capellix 280mm * EVGA GTX 760 SC * Win7 Home/Win10 Home * "Whatever it takes, as long as it works" - Me
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cv_salise
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/13 07:22:33
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Ive fixed the issue but moving the sound card 1 slot away from the graphics card. so far so good. I cant believe moving 1 slot can make a difference
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bob16314
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Re: New GTX970 ACX 2.0 causing headphone EMI
2016/02/13 08:48:19
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cv_salise
Ive fixed the issue but moving the sound card 1 slot away from the graphics card. so far so good. I cant believe moving 1 slot can make a difference
 ..You can edit your post as [Solved] and give Zuhl a "Best answer"..He might score a BR too.
* Corsair Obsidian 450D Mid-Tower - Airflow Edition * ASUS ROG Maximus X Hero (Wi-Fi AC) * Intel i7-8700K @ 5.0 GHz * 16GB G.SKILL Trident Z 4133MHz * Sabrent Rocket 1TB M.2 SSD * WD Black 500 GB HDD * Seasonic M12 II 750W * Corsair H115i Elite Capellix 280mm * EVGA GTX 760 SC * Win7 Home/Win10 Home * "Whatever it takes, as long as it works" - Me
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