Question

Went 4k but pre/pro is hdmi1.4, need solution

Nov 20, 2017 11:21AM PST

Bought a 4K LG OLED C7P which is Hdmi 2.0. Bought a 4K video card, GTX 1080 ti which is HDMI 2.0. I have an OPPO 103 HDMI 1.4 and an Integra pre/pro which is HDMI 1.4.
I used to run all inputs through the Oppo 103 with an HDMI out to the TV and an HDMI out to the Pre/pro. This won't give me a 4k signal to the TV.
Now I run the computer's video card via HDMI 2.0 to the TV, with the TV's optical out to the receiver. The TV outputs all of the audio files as dolby digital. Unfortunately, all of my computer music files (flac, dts lpcm, etc) 2 and 5.1 channel are also sent to the pre/pro as dolby digital files. I would prefer that the music files stay in their original format.
Any cheap solutions for a hub that has HDMI 2.0 and has a "pass through" splitter for the original audio and video signals.

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Comments
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Answer
Sounds like you want to check out
Nov 20, 2017 11:49AM PST
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audio extractor did not work with PC HDMI
Nov 28, 2017 4:00PM PST

I have tried several things;
The HDMI audio extractor did not work, because the PC would only see the HDMI input to the TV and not the optical out from the audio extractor as the audio source. There was no sound.
The HDMI arc from the TV to the pre/pro did not work due lip sync issues and all 5.1 music files being converted to dolby digital. The optical out from the TV to the pre/pro also had the same issues.
Maybe HDMI from video card to TV and digital audio out from the mother board to the pre/pro may work. I will need a 20 foot coax with adapters.

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Few PCs accept optical input.
Nov 28, 2017 4:05PM PST

Color me confused by your reply. The audio splitters are simple things. But some models don't work and I find folk very confused on setup.

Lip sync? Just another issue to solve.

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windows 10 sound,play back devices,tv
Nov 28, 2017 4:19PM PST

windows 10, sound,play back devices,LG tv. The pre/pro is not listed as a play back device, if the Video card HDMI is connected to the TV, even though the optical out from the HDMI audio extractor is connected to the pre/pro. Windows does recognize the the pre/pro if I unplug the HDMI to the TV.

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Since all the 1080's I've seen have dual HDMI ports.
Nov 28, 2017 4:56PM PST

Why not one to the splitter, another to the TV and send the audio to the extractor?

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EVGA 1080 ti has one HDMI
Nov 28, 2017 5:26PM PST

That was idea number 1. Went to hook it up and there was only one HDMI. Called EVGA and verified it. Also, tried a HDMI splitter. It down grades the HDMI output ports to the lowest input version; which is HDMI 1.4. Called the manufacturer and they verified it.

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Sounds like you'll be forced into an audio card.
Nov 28, 2017 6:10PM PST
https://www.google.com/search?q=hdmi+2.0+splitter seems to find HDMI 2.x splitters if you want to try that again.

But I wonder what is going on with the receiver. I looked at it and it's UHD 4K so are you telling me it degraded the video? Something's not right here.
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The Integra upscales to 4K but it is HDMI 1.4
Nov 28, 2017 9:15PM PST

The Integra 80.3 Has HDMI 1.4 ports which does not have enough band width to pass a true 4k signal at 60 fps. The manual does talk about upscaling a 1080 signal to 4k. It must do it at a lower frame rate.
I do have an old audio card, but I think it only supports DTS and AC3, I think that is why I removed it and used the HDMI from the Video card.

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Edited reply.
Nov 30, 2017 2:36PM PST

I had to re-read this and it appears you may be hitting limits in optical and HDMI 1.4. That is, from what I am reading HDMI 2.0x has extended audio capabilities and you want these. Since the audio can't be had any other way according to your tests, you need set of HDMI 2.0 audio gear to get there.

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Not the Case
Nov 30, 2017 4:07PM PST

If I go HDMI from Video Card (2.0) to the Integra DHC 80.3 HDMI input (1.4), all of the 5.1 surround audio files transfer in their native format (DTS, DD, Flac). I converted all of the 5.1 files to flac, such that media monkey can play them. I also created a duplicate set of DTS and DD files into a MKV folder, such that VLC media player can play them.

The bottom line is I don't want to replace the Integra DHC 80.3 because it has HDMI 1.4 inputs.

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Quite the challenge. Last idea.
Nov 30, 2017 4:20PM PST

Get some HDMI 2.0 splitter to send to both 1.4 and 2.0 (TV).

You're in the unsupported zone here and it's unclear why the optical audio card in the PC didn't do the trick.

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I agree, any digital audio solution probably won't work
Nov 30, 2017 5:16PM PST

I think I have to go with a HDMI 2.0 splitter. It appears that only HDMI can send a bit stream pass through to the Pre/pro. I had a HDMI 1.4 splitter that did work (except for the 4K signal), as long as the Pre/pro was connected first. I just read about a HDMI 2.0 splitter by dot stone that may work. I will call them tomorrow. Another brand's splitter said that the output would be down graded to the lowest HDMI version connected.

I talked with ASUS today about the MB and audio card digital out puts. Unfortunately, they were clueless.

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HDMI splitters down grade to lowest version (1.4)
Dec 4, 2017 3:39PM PST

I read the reviews of all of the HDMI splitters listed on Amazon and they all said that if there was a 1.4 input, then everything is down graded to 1.4. Do you know of any companies that will change out the HDMI ports?

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Answer
Atlona Juno-451 will work for your issue
Nov 29, 2017 2:40PM PST
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$400 is a little steep for a audio extractor
Dec 4, 2017 3:35PM PST

Way to expensive for something that might work.

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Answer
Still can't get a true bit stream signal to pre/pro
Nov 30, 2017 2:09PM PST

The latest try was to connect the digital output from the mother board to the pre/pro. I only got stereo from my 5.1 sources.
I then reinstalled an Asus Xonar Essence STX audio card. It also won't do a SPIF pass through. I do get a 5.1 Dolby Digital Live signal. Unfortunately, this converted signal loses 80% of the sources bit rate.

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It appears only HDMI 2.0 will do.
Dec 4, 2017 4:23PM PST
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Not Really
Dec 4, 2017 4:59PM PST

The top positive review (5 stars) says it will down grade to the lowest version (1.4).

I am thinking that the only solution is to somehow get an audio Bit stream pass through from the computer directly to the Integra.

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Later folk claim it only downgrades
Dec 4, 2017 5:47PM PST

When you don't use its ID feature.

I'd contact the seller on the page to ask more but if all the above fails then you need a new receiver with HDMI 2.x support.

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maybe, I will call tomorrow
Dec 4, 2017 6:00PM PST

Sorry, I should have read all the reviews. One reviewer says it does what I want it to do. $40 beats $2k for a new pre/pro.

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That was true from the get go
Dec 4, 2017 5:03PM PST

LOL Not sure why the OP insisted new gear wasn’t required(?)

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Answer
I suck
Dec 6, 2017 4:10PM PST

The HDMI splitter did not work. I succumbed to the Man and purchased a Marantz AV 7703. I apologize to this forum, my country, my wife and all of man kind for failing to find an economical solution to this simple problem. I am not worthy of ever posting again. As Sam said from the end of season 5 of Cheers "Have a nice life".

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Actually you gave it a good try. The only glimmer
Dec 6, 2017 4:25PM PST

Of hope was that splitter with the ID capability but talk about gimmicky to setup.

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Things happen.
Dec 6, 2017 4:31PM PST

Time to move on.
Dafydd.

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