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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sun Feb 24, 2019 5:48 pm 


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Joined: 28 Apr 2017
Posts: 402
Location: Bellevue, Washington, USA
orange808 wrote:
DirkSwizzler wrote:
Does anyone have recommendations for embedding digital audio into an hdmi signal? I recently got one of those 7:1 automatic toslink switches from tindie and have cobbled together a piecemeal toslink setup for xbox and ps2 that automatically falls back to analog stereo coming out of my gscartsw 3.4

I tried gofanco Prophecy 4K 60Hz HDMI Audio Extractor & Embedder via S/PDIF Toslink + 3.5 MM Stereo, 4K 60Hz YUV 4:4:4, HDR, HDMI 2.0a, HDCP 2.2, 18Gbps, ARC, CEC, Audio Extraction & Embedded and it doesn't quite work as well as I expected. It mostly gets the job done but I wouldn't recommend it. Seems to have a few video incompatibilities with the OSSC. Occassionally drops frames. As well as the truly bizarre failure of showing video but silent audio for OSSC 5X 1080p. Whereas 5X 1600x1200 passes audio fine.


Apologies for being off topic again (not 4k), but I'll share what works with my OSSC.

I use Kramer FC-49 behind a OSSC v1 to embed stereo audio into HDMI 1.3.

It's not 4k and it only does stereo, but it works with everything I've tried.


I don't need the embedder to be 4K compatible until the OSSC starts spitting out 4K :) Thanks for the recommendation. I've got a monoprice embedder on the way. But will look into your recommendation if this one fails.

I really should work a "everything but 4k" set of recommendations into the original post. There are only 2 4K console's I'm aware of. So chaining an "everything but 4k" switch with lots of inputs would probably be smarter than chaining 3 of the HD41s. It would be one less resynchronization hop for OSSC mode changes
_________________
Spoiler: show
  • YPbPr->Garo
    • PSP
    • PS2
    • XBox
    • Wii
  • RGB->OSSC & PVM-2530
    • Garo
    • AV Famicom
    • SNES
    • N64
    • GameCube
      • GBI
    • Genesis 2
      • CD
      • 32X
    • Saturn
    • Dreamcast
    • PS1
    • Neo Geo AES
    • SuperGrafx
      • SSDS3
    • CD-I
    • 3DO
    • Jaguar
    • HAS
      • CPS2
      • STV
      • F3
  • HDMI
    • OSSC
    • WiiU
    • Switch
    • XBox 360
    • PS3
    • PSTV


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sun Feb 24, 2019 5:55 pm 



Joined: 01 Mar 2018
Posts: 130
DirkSwizzler wrote:
orange808 wrote:
DirkSwizzler wrote:
Does anyone have recommendations for embedding digital audio into an hdmi signal? I recently got one of those 7:1 automatic toslink switches from tindie and have cobbled together a piecemeal toslink setup for xbox and ps2 that automatically falls back to analog stereo coming out of my gscartsw 3.4

I tried gofanco Prophecy 4K 60Hz HDMI Audio Extractor & Embedder via S/PDIF Toslink + 3.5 MM Stereo, 4K 60Hz YUV 4:4:4, HDR, HDMI 2.0a, HDCP 2.2, 18Gbps, ARC, CEC, Audio Extraction & Embedded and it doesn't quite work as well as I expected. It mostly gets the job done but I wouldn't recommend it. Seems to have a few video incompatibilities with the OSSC. Occassionally drops frames. As well as the truly bizarre failure of showing video but silent audio for OSSC 5X 1080p. Whereas 5X 1600x1200 passes audio fine.


Apologies for being off topic again (not 4k), but I'll share what works with my OSSC.

I use Kramer FC-49 behind a OSSC v1 to embed stereo audio into HDMI 1.3.

It's not 4k and it only does stereo, but it works with everything I've tried.


I don't need the embedder to be 4K compatible until the OSSC starts spitting out 4K :) Thanks for the recommendation. I've got a monoprice embedder on the way. But will look into your recommendation if this one fails.

I really should work a "everything but 4k" set of recommendations into the original post. There are only 2 4K console's I'm aware of. So chaining an "everything but 4k" switch with lots of inputs would probably be smarter than chaining 3 of the HD41s. It would be one less resynchronization hop for OSSC mode changes


I mean, yeah. Or just leave it what it is; a great recommendation for lag free video, that also supports 4K. This was a super helpful guide that I've since replicated and recommend fully!


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sun Feb 24, 2019 6:00 pm 


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Joined: 27 Apr 2015
Posts: 570
Location: Bellingham, WA
I used the wakelion going to my receiver and ARC from my receiver HDMI to my TV. I had image dropouts on both my Xbox one and PC in 4K. I had to remove the wakelion and it fixed the image dropouts.

I believe its the ARC on my receiver that is the issue but I didn't want to use Toslink because my HE is wall mounted and through wall grommet and I didn't want to have to add/order another cord. Is there a possibly a stronger 5 port switch?

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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sun Feb 24, 2019 6:19 pm 



Joined: 19 Jul 2017
Posts: 1048
DirkSwizzler wrote:
I don't need the embedder to be 4K compatible until the OSSC starts spitting out 4K :)

I would hope a 4K-capable OSSC would also gain digital inputs, negating the need for an embedder.


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Mon Feb 25, 2019 1:26 am 


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Joined: 25 Dec 2013
Posts: 577
Location: Indiana
I did a little bit of research into sending SPDIF signal directly into the IT6613. It seems this was actually already partially coded in an unused function EnableAudioOutput :https://github.com/marqs85/ossc/blob/4c1b21164157c6e8194a6ce0b8916bb2d57d7a30/software/sys_controller/it6613/it6613_drv.c#L438

I did try and test this function last week and was unsuccessful. Does anybody have a programming guide for the IT6613? I cannot seem to located it. Also unfortunately pin4 on the IT6613 is grounded, so if this ever does work the pin will need to be lifted and soldered to.


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Mon Mar 04, 2019 9:45 am 



Joined: 04 Mar 2019
Posts: 2
I can't seem to get the recommended Vorke switcher to recognize my 5 port awakelion's, is there any trick to get this working?

Thanks!


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Mon Mar 04, 2019 6:05 pm 


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Joined: 28 Apr 2017
Posts: 402
Location: Bellevue, Washington, USA
Loth wrote:
I can't seem to get the recommended Vorke switcher to recognize my 5 port awakelion's, is there any trick to get this working?

Thanks!


I've generally only had trouble with this when there's something powered on a port with higher priority. Which is why I daisy chain additional switches only on port 4.
_________________
Spoiler: show
  • YPbPr->Garo
    • PSP
    • PS2
    • XBox
    • Wii
  • RGB->OSSC & PVM-2530
    • Garo
    • AV Famicom
    • SNES
    • N64
    • GameCube
      • GBI
    • Genesis 2
      • CD
      • 32X
    • Saturn
    • Dreamcast
    • PS1
    • Neo Geo AES
    • SuperGrafx
      • SSDS3
    • CD-I
    • 3DO
    • Jaguar
    • HAS
      • CPS2
      • STV
      • F3
  • HDMI
    • OSSC
    • WiiU
    • Switch
    • XBox 360
    • PS3
    • PSTV


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Thu Mar 07, 2019 8:20 am 


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Joined: 28 Apr 2017
Posts: 402
Location: Bellevue, Washington, USA
I finally got all the equipment needed for lag verification working. Tonight I want to go over the data I have showing that the splitter doesn't add lag. I plan to use the splitter for all further testing, with one output as the test of some device, and the other as the control.

Generic details about the setup:
  • I'm running the 240p test suite on a model 2 genesis connected to a gscartsw_lite via SCART.
  • Each OSSC was reset to default settings then 240p line multiplication was set to 1x.
  • Splitter: ViewHD Ultra HD | HDMI 2.0 | HDCP 2.2 | 4K@60Hz | 1x2 Splitter | One Input to Two Outputs | Support HDR and Dolby Vision | Model: UHD1X2
  • Each HDMI to CRT conversion was accomplished with the following chain.
    1. HDMI to VGA adapter.
    2. Connected to a Behar Bros Kenzei
    3. Connected to each PVM with a relevant SCART passive adapter.
      • The big CRT is a PVM-2530 using this.
      • The little CRT is a PVM-8042Q using this
  • The camera I'm using is Olympus TG-5 with the ISO set to 12800. I'm not much of a camera guy but this seemed to be the most important setting to keep the exposure super short to capture the current scan position.
  • I set the camera to autoshoot at "low" fps so I could be sure I captured a full range of vertical scanning. Expect that multiple frames will be skipped between images and the scrolling will appear to go upward.

I ran 4 tests to conclusively prove that the splitter added zero or nearly zero lag. If there is any, it's on the order of a handful of lines.
  1. Dual OSSCs fed from both outputs of the gscartsw_lite. Full imgur set
    Spoiler: show
    Image
  2. One OSSC redirected into the splitter. Left = Splitter out 1, Right = OSSC direct. Splitter out 2 to offscreen 4k tv. Full imgur set
    Spoiler: show
    Image
  3. One OSSC redirected into the splitter. Left = Splitter out 2, Right = OSSC direct. Splitter out 1 to offscreen 4k tv. Full imgur set
    Spoiler: show
    Image
  4. Only one OSSC used now, going into the splitter. Left = Splitter out 1, Right = Splitter out 2. Full imgur set
    Spoiler: show
    Image

So if anyone is feeling nitpicky. Please point out any problems with this data before I run tests on other equipment. The rest of my planned tests hinge on this data proving the splitter creates a valid control set on output 2 while I swap devices into output 1.
_________________
Spoiler: show
  • YPbPr->Garo
    • PSP
    • PS2
    • XBox
    • Wii
  • RGB->OSSC & PVM-2530
    • Garo
    • AV Famicom
    • SNES
    • N64
    • GameCube
      • GBI
    • Genesis 2
      • CD
      • 32X
    • Saturn
    • Dreamcast
    • PS1
    • Neo Geo AES
    • SuperGrafx
      • SSDS3
    • CD-I
    • 3DO
    • Jaguar
    • HAS
      • CPS2
      • STV
      • F3
  • HDMI
    • OSSC
    • WiiU
    • Switch
    • XBox 360
    • PS3
    • PSTV


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Fri Mar 08, 2019 5:39 pm 



Joined: 19 Jul 2017
Posts: 1048
nmalinoski wrote:
Looks like that Vorke HD41Pro, as previously linked, is no longer available; however, there is what appears to be the same exact kit from another seller (BenRong-US; I wonder if that's intentional) on Amazon for a bit less ($36 USD versus $43).

And now the original listing is back in stock, at its same price, and the other listing is up to $170. :roll:


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Mon Mar 11, 2019 7:14 am 


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Joined: 28 Apr 2017
Posts: 402
Location: Bellevue, Washington, USA
Ok, no complaints with my setup. The zero lag testing continues.

Same setup as the baseline post. Small CRT on the right is the control coming straight out of port 2 on the splitter. And port 1 of the splitter routes through the device being tested and shows results on the big CRT on the left.


I think that conclusively proves no lag across the full chain :D
_________________
Spoiler: show
  • YPbPr->Garo
    • PSP
    • PS2
    • XBox
    • Wii
  • RGB->OSSC & PVM-2530
    • Garo
    • AV Famicom
    • SNES
    • N64
    • GameCube
      • GBI
    • Genesis 2
      • CD
      • 32X
    • Saturn
    • Dreamcast
    • PS1
    • Neo Geo AES
    • SuperGrafx
      • SSDS3
    • CD-I
    • 3DO
    • Jaguar
    • HAS
      • CPS2
      • STV
      • F3
  • HDMI
    • OSSC
    • WiiU
    • Switch
    • XBox 360
    • PS3
    • PSTV


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Mon Mar 11, 2019 12:21 pm 



Joined: 13 Dec 2016
Posts: 18
Just wanted to re-iterate just how grateful I am that you have gone through all of this effort. Thanks to your research, I was able to upgrade my setup to one that will be semi-future proofed, but more importantly, works fantastic with the setup I currently have. Thank you so much!


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Fri Mar 15, 2019 6:10 am 


User avatar

Joined: 28 Apr 2017
Posts: 402
Location: Bellevue, Washington, USA
DirkSwizzler wrote:
orange808 wrote:
DirkSwizzler wrote:
Does anyone have recommendations for embedding digital audio into an hdmi signal? I recently got one of those 7:1 automatic toslink switches from tindie and have cobbled together a piecemeal toslink setup for xbox and ps2 that automatically falls back to analog stereo coming out of my gscartsw 3.4

I tried gofanco Prophecy 4K 60Hz HDMI Audio Extractor & Embedder via S/PDIF Toslink + 3.5 MM Stereo, 4K 60Hz YUV 4:4:4, HDR, HDMI 2.0a, HDCP 2.2, 18Gbps, ARC, CEC, Audio Extraction & Embedded and it doesn't quite work as well as I expected. It mostly gets the job done but I wouldn't recommend it. Seems to have a few video incompatibilities with the OSSC. Occassionally drops frames. As well as the truly bizarre failure of showing video but silent audio for OSSC 5X 1080p. Whereas 5X 1600x1200 passes audio fine.


Apologies for being off topic again (not 4k), but I'll share what works with my OSSC.

I use Kramer FC-49 behind a OSSC v1 to embed stereo audio into HDMI 1.3.

It's not 4k and it only does stereo, but it works with everything I've tried.


I don't need the embedder to be 4K compatible until the OSSC starts spitting out 4K :) Thanks for the recommendation. I've got a monoprice embedder on the way. But will look into your recommendation if this one fails.

I really should work a "everything but 4k" set of recommendations into the original post. There are only 2 4K console's I'm aware of. So chaining an "everything but 4k" switch with lots of inputs would probably be smarter than chaining 3 of the HD41s. It would be one less resynchronization hop for OSSC mode changes


Just got my Kramer FC-49 today after trying 2 different monoprice embedders. The FC-49 is the winner by far. And I got it for $40 on eBay. Not too bad for the time being.

I need to do more thorough testing before I put it on the first post (I'm considering it essential for integrating digital audio from retro consoles into hdmi setups). But it's handling all the quick tests that the other ones fail at.

Runner up:
Monoprice Blackbird 4K Series HDMI Audio Inserter
This one worked pretty well up through 720p. I don't think I tried 960p. But any of the 5x scales would fail to connect to the rest of my chain. So I'm assuming it internally stopped outputting a signal.

Third place:
gofanco Prophecy 4K 60Hz HDMI Audio Extractor & Embedder via S/PDIF Toslink + 3.5 MM Stereo, 4K 60Hz YUV 4:4:4, HDR, HDMI 2.0a, HDCP 2.2, 18Gbps, ARC, CEC, Audio Extraction & Embedded
Expensive. The SPDIF input has a little spring loaded door that broke on 2 separate units with only a few gentle uses each time. And once that door breaks, the Toslink cable isn't secured anymore and flops out easily. I don't have it anymore (one of the very few Amazon products I flat-out returned for being junk because it was expensive and they kept breaking). But as I mentioned above, it kinda handled lower scales reasonably and failed at 5x.

Last place:
Monoprice DVI Video + Digital Coaxial and Digital Optical Audio to HDMI Converter
I was completely unable to get this thing to integrate audio at all. Doesn't perform it's only task. I think it also failed on OSSC test pattern. I didn't test it much past "doesn't work at all"


So yeah. If you're getting into digital audio but demand HDMI integration. The Kramer FC-49 seems like a must. The pickings in this category are pretty slim.
_________________
Spoiler: show
  • YPbPr->Garo
    • PSP
    • PS2
    • XBox
    • Wii
  • RGB->OSSC & PVM-2530
    • Garo
    • AV Famicom
    • SNES
    • N64
    • GameCube
      • GBI
    • Genesis 2
      • CD
      • 32X
    • Saturn
    • Dreamcast
    • PS1
    • Neo Geo AES
    • SuperGrafx
      • SSDS3
    • CD-I
    • 3DO
    • Jaguar
    • HAS
      • CPS2
      • STV
      • F3
  • HDMI
    • OSSC
    • WiiU
    • Switch
    • XBox 360
    • PS3
    • PSTV


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sat Mar 16, 2019 7:49 am 



Joined: 27 Sep 2018
Posts: 111
Looks like we may finally have a cheap 600 Mhz 18 Gbps 7x1 HDMI switch if the description is correct?

KEEGH 4K 60HZ HDMI Switch 7 Ports 7X1 HDMI 2.0 Switcher Splitter Box with IR Wireless Remote Support HDCP 2.2 HDR, Full HD/3D (7x1)

The 8x1 ATEN VS0801HB is basically the exact HDMI switch a lot of people are looking for, but street price seems to be ~$300.


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sat Mar 16, 2019 1:56 pm 



Joined: 19 Jul 2017
Posts: 1048
energizerfellow‌ wrote:
Looks like we may finally have a cheap 600 Mhz 18 Gbps 7x1 HDMI switch if the description is correct?

KEEGH 4K 60HZ HDMI Switch 7 Ports 7X1 HDMI 2.0 Switcher Splitter Box with IR Wireless Remote Support HDCP 2.2 HDR, Full HD/3D (7x1)

Doesn't say anything about automatic switching; good for people who don't mind manual switching, not so good for people who want an automated/no-hassle setup.


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sat Mar 16, 2019 3:25 pm 



Joined: 01 Mar 2018
Posts: 130
nmalinoski wrote:
energizerfellow‌ wrote:
Looks like we may finally have a cheap 600 Mhz 18 Gbps 7x1 HDMI switch if the description is correct?

KEEGH 4K 60HZ HDMI Switch 7 Ports 7X1 HDMI 2.0 Switcher Splitter Box with IR Wireless Remote Support HDCP 2.2 HDR, Full HD/3D (7x1)

Doesn't say anything about automatic switching; good for people who don't mind manual switching, not so good for people who want an automated/no-hassle setup.


Amazon review from less than a month ago!

"I own a Zettaguard HDMI switch with auto switch and PIP. But I needed more ports.
This has failed me. Have to use remote to switch ports. No Picture In Picture. Considering returning at this point.
You want to make your life easier? Get a Zettaguard"


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sat Mar 16, 2019 4:48 pm 


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Joined: 28 Apr 2017
Posts: 402
Location: Bellevue, Washington, USA
And just to bring that thought full circle. I already tried a Zettaguard.

At this point, specs on the store page only means it *might* work.

I'm only going to believe HDMI claims that have been thoroughly tested by someone I trust
_________________
Spoiler: show
  • YPbPr->Garo
    • PSP
    • PS2
    • XBox
    • Wii
  • RGB->OSSC & PVM-2530
    • Garo
    • AV Famicom
    • SNES
    • N64
    • GameCube
      • GBI
    • Genesis 2
      • CD
      • 32X
    • Saturn
    • Dreamcast
    • PS1
    • Neo Geo AES
    • SuperGrafx
      • SSDS3
    • CD-I
    • 3DO
    • Jaguar
    • HAS
      • CPS2
      • STV
      • F3
  • HDMI
    • OSSC
    • WiiU
    • Switch
    • XBox 360
    • PS3
    • PSTV


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 Post subject: Re: I recommend this HDMI Equipment for OSSC + 4K60 18Gbps
PostPosted: Sat Mar 16, 2019 8:09 pm 



Joined: 27 Sep 2018
Posts: 111
DirkSwizzler wrote:
And just to bring that thought full circle. I already tried a Zettaguard.

Zettaguard/KEEGH (and I'm sure others...) look to be using the same Asian OEM/ODM supplier on these, but I do wonder if there's any kind of performance difference between the 4x1 and 7x1 models. The first-sale date of the 7x1 on Amazon is also like two years newer than the 4x1 model.

Also looks like there's a ZW412 update to that Zettaguard ZW410 you linked/tested and the reviews are indeed pretty bad:
https://www.amazon.com/dp/B07BDQ4HMC
https://www.amazon.com/dp/B07M7DC4VN

Since these things are so cheap, you thought about busting them open and taking some high-res PCB pictures with scanner?


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