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Old 13th July 2017, 3:46 PM   #1
super kermit Thread Starter
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Default HELP - picture via DP then audio via HDMI or optical

JUST FOR GAMING - no music or movies

My display is fed via my 2 x gtx 1080ti in SLI (34" ASUS)

My audio can either run via

ASUS Rampage V extreme onboard optical

OR Soundblaster Z

OR Soundblaster ZX

To a Yamaha 5.1 receiver (optical and HDMI)

I know HDMI will give me better sound quality (no compression)

BUT

How in the world do I set it up?

My assumption is use the 1080 HDMI port for sound to the receiver and Dp to the display.

I run the cards in SLI.

Should I sell off the soundblasters if I only use optical to go to the amplifier?

So confused.
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Old 22nd July 2017, 5:26 PM   #2
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Use trial and error. Great tool for solving problems.
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Old 23rd July 2017, 3:36 AM   #3
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If your receiver has analogue input I would use that with one of your SoundBlasters so you have control over software audio enhancements.
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Old 27th July 2017, 9:30 AM   #4
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Quote:
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Use trial and error. Great tool for solving problems.
Why re invent the wheel?
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Old 27th July 2017, 8:21 PM   #5
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how many speakers/channels?
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Old 27th July 2017, 9:16 PM   #6
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Couldn't you go optical from onboard to receiver? You can then use DP/HDMI to connect to the monitor and then disable DP/HDMI audio output in Windows Playback devices or set the optical audio as the default playback device. I think you could do something similar using DP->monitor and HDMI->receiver

I think optical is the same quality as via HDMI unless you have Dolby Atmos etc. but you did say just for gaming so that's not a problem.
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Old 27th July 2017, 9:36 PM   #7
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I think optical is the same quality as via HDMI unless you have Dolby Atmos etc. but you did say just for gaming so that's not a problem.
Optical can only do 2 channels of LPCM, whereas HDMI can do 8 channels. To get >2 channels over optical you need to use DD Live or DTS connect to encode and compress it before transmission.
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Old 27th July 2017, 9:45 PM   #8
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Optical can only do 2 channels of LPCM, whereas HDMI can do 8 channels. To get >2 channels over optical you need to use DD Live or DTS connect to encode and compress it before transmission.
Yeah, good point. I guess it depends on whether they want to use surround audio in their gaming setup.
Either way the solution is the same, just specify the default playback device in Windows and it should work.
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Old 29th July 2017, 8:49 AM   #9
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Quote:
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how many speakers/channels?
7.1 ................
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Old 11th August 2017, 3:02 PM   #10
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Did you get this going with DP out to display + HDMI out to receiver?
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