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Post by bigkid on Oct 8, 2018 22:28:21 GMT -5
Hi all. Just upgraded my HTPC. The previous one played nicely with the MC-700 and saw it as a multi-channel processor. The new one sees it as only having a maximum of 2 channels. Please see the attached photo. Been faffing about for hours and unable to resolve. Appreciate any advice that might assist. Cheers, Allan  |
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Post by rbk123 on Oct 9, 2018 9:15:53 GMT -5
What software are you using to play video through your HTPC? In Kodi you have to set it to 7.1, to pass-thru, and WASAPI, so there are 3 places where it could be wrong. Another thing to try is to turn off and unplug the MC from the outlet as well as the HDMI cables from it - say for 5-10 minutes or so.
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Post by bigkid on Oct 9, 2018 16:43:05 GMT -5
Thanks rbk123. The restart after a wait got it working. :-)
Cheers,
Allan
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Post by Ex_Vintage on Oct 16, 2018 21:56:48 GMT -5
I had the same issue with the MC-700 and a new PC. The new PC had "faster" HDMI capability and required certified HDMI cable. Once a new cable was installed. All works as it should (and did before)
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Post by ronkuper on Nov 17, 2020 9:08:39 GMT -5
Hi Guys, Similar issue. Replaced faulty UMC-200 with a new MC-700. Everything else stayed the same: HTPC, Cables, etc. I've tried restarting, unplugging, replaced HDMI cables, updated to latest Intel Graphics HDMI and Display Audio drivers - nothing worked. MC-700 is only showing as a stereo device and I'm unable to use it with MultiPCM from the HTPC like I did with the UMC-200. This needs to be configured for 5.1 in order for MultiPCM to work but as you see the option is missing:   Any ideas? Best regards, Ron |
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Post by megash0n on Nov 17, 2020 9:33:41 GMT -5
Hi Guys, Similar issue. Replaced faulty UMC-200 with a new MC-700. Everything else stayed the same: HTPC, Cables, etc. I've tried restarting, unplugging, replaced HDMI cables, updated to latest Intel Graphics HDMI and Display Audio drivers - nothing worked. MC-700 is only showing as a stereo device and I'm unable to use it with MultiPCM from the HTPC like I did with the UMC-200. This needs to be configured for 5.1 in order for MultiPCM to work but as you see the option is missing: View AttachmentView AttachmentAny ideas? Best regards, Ron What happens when you select Dolby Atmos and go through that setup? I do find it odd that you aren't seeing 5.1 and 7.1. |
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Post by ronkuper on Nov 17, 2020 9:38:11 GMT -5
This -  I know it's weird as it works just find with the UMC-200 connected to the same setup. I've tried switching the HDMI input from the 2.0 to the regular ones (HDMI 4) but it didn't help. |
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Post by megash0n on Nov 17, 2020 9:45:45 GMT -5
Hi Guys, Similar issue. Replaced faulty UMC-200 with a new MC-700. Everything else stayed the same: HTPC, Cables, etc. I've tried restarting, unplugging, replaced HDMI cables, updated to latest Intel Graphics HDMI and Display Audio drivers - nothing worked. MC-700 is only showing as a stereo device and I'm unable to use it with MultiPCM from the HTPC like I did with the UMC-200. This needs to be configured for 5.1 in order for MultiPCM to work but as you see the option is missing: View AttachmentView AttachmentAny ideas? Best regards, Ron Also, I'm assuming you are using HDMI everywhere and not optical out from the PC. If you are using optical, that won't pass 5.1 PCM. A couple other things to look at.. Turn your TV speakers OFF and/or disable any CEC and ARC. You may have to test with the nonARC input on your TV to make it easier. What is possibly happening is that the MC 700 is passing through the capabilities of the TV which is stereo only. If you were able to bitstream, it wouldn't matter, but I don't think you'll be able to bitstream PCM. Bottom line is the TV is likely the culprit. |
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Post by megash0n on Nov 17, 2020 9:47:16 GMT -5
This - View AttachmentI know it's weird as it works just find with the UMC-200 connected to the same setup. I've tried switching the HDMI input from the 2.0 to the regular ones (HDMI 4) but it didn't help. Well...youll have to download the Dolby Atmos app from the store to enable that before you can even test it. Which.. I'm sure you'd want to anyways. I can only assume the previous processor didn't have the capability to pass thru the ARC stuff. Or, something along those lines. |
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Post by ronkuper on Nov 17, 2020 10:02:10 GMT -5
Yes. PC -- [HDMI] --> MC-700 -- [HDMI] --> TV
Tried both ARC and non ARC inputs on TV and MC-700, no apparent change.
I've read it might be the TV in some receivers but the UMC-200 was connected to the same TV.
I don't have speakers for Atmos and don't really want any processing done just plain MultiPCM like with the UMC-200.
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Post by megash0n on Nov 17, 2020 10:12:16 GMT -5
Yes. PC -- [HDMI] --> MC-700 -- [HDMI] --> TV Tried both ARC and non ARC inputs on TV and MC-700, no apparent change. I've read it might be the TV in some receivers but the UMC-200 was connected to the same TV. I don't have speakers for Atmos and don't really want any processing done just plain MultiPCM like with the UMC-200. I can only speculate that the UMC-200's AD 7623 HDMI switch isn't capable of understanding ARC, so it wasn't an issue. That that you have something that is capable... That's where you sit. I could totally be wrong, but this is just my advice. I'd disable anything CEC and Arc related. Set the tv speakers to off. Use an HDMI input on the TV that isn't ARC capable. Turn the tv off, unplug HDMI and power. Do the same for your PC and MC-700... Wait 5 mins or so. Turn on the PC and MC-700 first, then the TV after they boot... Report back. If this gets you nowhere, it might be best to call support. |
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Post by ronkuper on Nov 17, 2020 10:39:41 GMT -5
Thanks. Here are the latest connections and configuration: MC-700
   TV: I shutdown everything, unplugged power for all devices, started PC and MC-700 first, then started TV. Still the same... I'll contact Emotiva support. Thanks megash0n for helping! Best regards, Ron |
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Post by ronkuper on Nov 17, 2020 11:27:56 GMT -5
Update (no fix) -
1. I've connected the MC-700 to a different HDMI monitor (Dell) instead of the TV - Same, only stereo
2. I've connected the MC-700 to a laptop instead of the HTPC (no screen connected to the MC-700, using the laptop screen)- Same, only stereo.
The laptop is brand new but also using Intel Display Audio.
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KeithL
Administrator 
Posts: 10,256
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Post by KeithL on Nov 17, 2020 12:11:37 GMT -5
The source should be getting its information about what sorts of input data we support from our EDID.
And the EDID we send is made up of a merge of the EDID we get from the TV and our own information.
HOWEVER, assuming we're handling the merge properly, since we're handling the audio, only we control the audio portion...
(The audio portion of OUR EDID should NOT be affected by the audio characteristics of the TV).
And, since the MC-700 cheerfully accepts surround sound from other sources, it seems like our EDID is correct in that regard.
However, there have been several Windows updates recently, including a major update that is currently "in phased rollout".
It's possible that there is some sort of deliberate change - or bug - in that rollout.
Like only offering either "2 channel" or "full Atmos with the Atmos app" as audio options.
If the details have changed in Windows then we may expect to see updated HDMI drivers to go with it sometime soon .
Unfortunately it would be a full time job to sort out the Google responses to "surround sound not working in Windows 10".
if this persists, and doesn't correct itself with the next Windows rollout, or set of graphics card updates, we'll look into it.
In the mean time I would try the usual "make sure your audio drivers are up to date" and all the rest.
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Post by ronkuper on Nov 17, 2020 12:32:21 GMT -5
Hi Keith, Thank you for replying. I did another test to remove other variables, I've connected the UMC-200 and MC-700 to my laptopt's HDMI (Dell Precision 5540) with no other cable connected (No TV), just switched between them and used my laptop's screen to see. Result: UMC-200 - 5.1 was configurable. MC-700 - Only 2 channels were available. It's the same laptop, same cables, same drivers, same Windows updates. Only difference is UMC-200 vs. MC-700. I can't use the MC-700 with only 2 channels as I have Dirac and Bass Management running on my HTPC so I need MultiPCM. Given the above test you still think it's not worth looking into? |
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KeithL
Administrator
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Post by KeithL on Nov 17, 2020 13:46:04 GMT -5
The EDID is not as simple as a list with a few numbers on it...
Obviously the EDID on the MC-700 satisfies MOST source devices about its willingness to accept surround sound audio (or it wouldn't work)... Obviously the EDID on the MC-700 does NOT satisfy the current Windows desires in that regard (at least on your computers)... Obviously the EDID on the UMC-200 DID satisfy your computers in that regard...
So we have one data point - the MC-700 does work fine in surround sound with most other sources.... (We have a lot of them in the field... and pretty well everyone is using them successfully in 5.1 or 7.1 channel systems.) Another data point is that the UMC-200 worked fine with yours in the past. (But we don't really know if that is still true - after the latest Windows updates...)
The next thing I would want to know would be whether the MC-700 works in surround mode with OTHER Windows 10 computers....
So, does this happen with every Windows 10 computer, or only ones with a certain graphics card, or only those updated this month...
I can tell you that we have not been "flooded with reports of the MC-700 not working with surround sound on Windows computers".
(Of course, if some recent update has changed something, then that could change.  )
Obviously more information from more people with MC-700's who are or are not having this problem would help us figure this out more quickly.
Hi Keith, Thank you for replying. I did another test to remove other variables, I've connected the UMC-200 and MC-700 to my laptopt's HDMI (Dell Precision 5540) with no other cable connected (No TV), just switched between them and used my laptop's screen to see. Result: UMC-200 - 5.1 was configurable. MC-700 - Only 2 channels were available. It's the same laptop, same cables, same drivers, same Windows updates. Only difference is UMC-200 vs. MC-700. I can't use the MC-700 with only 2 channels as I have Dirac and Bass Management running on my HTPC so I need MultiPCM. Given the above test you still think it's not worth looking into? |
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Post by megash0n on Nov 17, 2020 14:03:09 GMT -5
Hop into the Device Manager and remove the audio device. You'd probably want to keep the driver, but could test that too. Hit Scan for hardware changes and see what happens. I'd say you're fine using the better inputs and outputs on the 700. I'd stay on a non-ARC TV input for now until you get it steady.
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Post by ronkuper on Nov 17, 2020 15:59:16 GMT -5
But we don't really know if that is still true - after the latest Windows updates... We do know! I've tested the UMC-200 now on both computers, both recognized it as 5.1 capable. (I've bought the MC-700 to replace it since it has developed flickering issues which the lab couldn't repair) So, now, with whatever Windows updates currently on both PCs the UMC-200 satisfies EDID (as you've wrote) and the MC-700 won't. Being a long loyal customer who just received another product (4th from Emotiva so far) and discover that the surround processor is only working at stereo for 2 sperate PCs... Isn't that good enough to plug one over to a laptop you must have and see? They are both Intel Audio Display though, the PC is from 2014 and the laptop is from 2020. I'll try to find another PC which has different HDMI vendor to test but would love to know that I'm not abandoned with my brand new fresh-out-of-the-box "stereo only" MC-700, please. |
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Post by ronkuper on Nov 17, 2020 16:00:46 GMT -5
Hop into the Device Manager and remove the audio device. You'd probably want to keep the driver, but could test that too. Hit Scan for hardware changes and see what happens. I'd say you're fine using the better inputs and outputs on the 700. I'd stay on a non-ARC TV input for now until you get it steady. Tried, didn't help. |
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Post by megash0n on Nov 17, 2020 18:37:19 GMT -5
Hop into the Device Manager and remove the audio device. You'd probably want to keep the driver, but could test that too. Hit Scan for hardware changes and see what happens. I'd say you're fine using the better inputs and outputs on the 700. I'd stay on a non-ARC TV input for now until you get it steady. Tried, didn't help. Sorry. I hope you get it figured out soon. You're not going to get much from Emotiva on this board besides finger pointing. It's chronic. Call support. If that doesn't satisfy you, you're probably better off sending it back or selling it. |
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