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Strato V not sending correct aspect ratio

B

bwarfel87

Member
Joined
Jan 9, 2025
Messages
14
Location
USA
I’m not sure if this is the right place to ask for help with this but it seems to be a Kaleidescape issue and any help would be greatly appreciated. I’ve spent days trying to troubleshoot this and I’m stumped. Equipment being used is Strato V, Altitude 16, Envy Core MK2, NZ700. I’ve read and reread all the MadVR setup guides and I believe all the kscape settings are correct but the MadVR is reporting incorrect aspect ratios on the incoming signal. It seems to be intermittent also. For example I play Gravity which is 2.40 and sometimes MadVR sees it correctly sometimes it sees it as something close like 2.38. The other odd thing I’ve noticed with the Kaleidescape menu is it comes up filling the screen correctly but after a few seconds switches ratios on the input and MadVR resizes it and gets partially cutoff the screen. I can send photos, videos or whatever other information is needed. I’m available for conference call if needed as well.
 
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Did you set the following setting in the K? That should help the Envy indentify when it´s in the menu:

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Yes. Last night I tried different cables and eliminated that as a cause. I also bypassed the Trinnov and plugged the Kaleidescape directly into the madVR which seems to have helped although not completely. When connected through the Trinnov the madVR reports 4k content correctly but 1080 gets reported on the incoming signal as Graphics even when playing content which I believe is causing aspect ratios to be interpreted wrong also. That part specifically went away when bypassing Trinnov and most aspect ratios were correct but not all of them. I'm thoroughly confused. Later today I'm going to try output 2 on the Trinnov hopefully that fixes it thats the only other thing I can think to try. I uploaded photos of 1080 content playing though the madVR (8K Matrix) and directly from Kscape. With the Kscape connected directly it's also reporting HDCP off which is a bit perplexing.
 

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Your doing everything right and there is no problem… it is how you set your geometric correction in the envy.
If you overscan it a bit or you have to overscan it on one corner because your four corners are not straight then the envy thinks your screen is a bit bigger (higher?) because you comfirmed the four corners at that size.
Thats why the envy say 2.38 instead of 2.40 on the info page.
It is that or you have your NLS+ on (at the same time…) one of those two is my guess
 
When I did the screen boundaries assistant it shows 2.40 which is the size screen I have. I’m not using any geometry correction. Non of that explains the incorrect Graphics signal does it? Im using the preloaded NLS+ smartfit for scope screens profile which is on all the time. I’m leaning towards some sort of EDID issue but obviously can’t pinpoint it yet.
 
Work with your Envy dealer, that’s what they are there for. I can say I have my Kaleidescape C (and E before that) hooked up through my Envy and it always works perfectly on my scope screen. I did have one issue recently when I watched the movie Sinners but I was told this had something to do with the Kscape encoding.
 
You should not be running video through the Trinnov.
I use a Lumagen which is connected to the Strato. The Lumagen has an audio only output which goes to my Altitude 32. And a video output which goes to my JVC NZ9.

Bypass the Envy and see if that resolves it. If it does, it’s due to how the envy is setup.
 
dinom said:
Work with your Envy dealer, that’s what they are there for.
Click to expand...
Yes, that´s the way to go.
There are a lot of things that can interfere with each other.
Starting with a clean setup of the madVR (easy to do with the Envy´s settings management) and Strato settings.
BTW: output 2 is the one to prefer in the Altitude anyways.
 
Surge said:
You should not be running video through the Trinnov.
I use a Lumagen which is connected to the Strato. The Lumagen has an audio only output which goes to my Altitude 32. And a video output which goes to my JVC NZ9.
Click to expand...
Not possible with an Envy. Envy doesn´t have an audio output and the Strato V doesn´t have either.
Apart from that, we´re running a lot of installs with video handled by the Trinnov without issues. Although, it can help on some occasions.
 
The reason this happens is because the graphics flag is not cleared since it does not detect that a change has occurred from who the cover wall or kscape menu and is set to what the movie is showing. This displays in multiple ways depending on the player as well as video processor and this is not unique to Envy and also occurs with LRP just in a different way.

Ex. in your case if you have the kscape set to use 24Hz menus and you play a movie that is 1080P SDR it just goes into playing the movie and never clears the flag as it doesn't know that it changed anything. Now if you change the menu to 60Hz so that a handshake would occur it will play correctly. Or at least it should unless something else is happening. This would apply to the V, E, etc.

Now if a user such as myself has a C where the cover wall will be in 4K and played a 1080P movie it would display correctly however I would have the issue with 4K movies. Ex. If I played The Exorcist which is 1.85:1 iirc in 4K SDR, the movie will never clear the graphics flag and change to cinema, and when I return to the cover wall which I normally have set to scope 2.35 letterbox will be displayed in 1.85:1 with the letterbox inside of this aspect ratio.

Now lets take teh same scenario in my case but with a LRP. What will happen is it will display the movie as 2.35 and report as 2:35:1 when it should not but if I play a movie that is HDR which would result in a handshake it will play teh correct aspect ratio.

The quickest and easiest test to do would be to set the kscape UI to 60hz and see if the movies you were having a problem with display correctly.
 
Your on point with the flag not being cleared. I had my kscape set to prefer 4:4:4 which is the same as the menus. I changed that to auto which now outputs 4:2:2 for moves and it correctly recognizes the single type but the fact that it’s not clearing the flag when it should be is a problem in itself. I am however still having issues with the madVR recognizing the correct aspect ratio on the incoming signal. For example playing a 1.78 ratio movie it comes up as 1.95 which seems to be causing it to crop/zoom incorrectly. If I use the signal override menu to fix it at 1.77 it resizes properly. This is very frustrating to say the least.
 
its the same issue. Try changing the OSD refresh rate to Automatic. Then play a movie that is giving you the issue. I assume this is only happening with SDR movies.
 
bwarfel87 said:
Your on point with the flag not being cleared. I had my kscape set to prefer 4:4:4 which is the same as the menus. I changed that to auto which now outputs 4:2:2 for moves and it correctly recognizes the single type but the fact that it’s not clearing the flag when it should be is a problem in itself. I am however still having issues with the madVR recognizing the correct aspect ratio on the incoming signal. For example playing a 1.78 ratio movie it comes up as 1.95 which seems to be causing it to crop/zoom incorrectly. If I use the signal override menu to fix it at 1.77 it resizes properly. This is very frustrating to say the least.
Click to expand...
I have mine set to 4:4:4 as well and have no problem with detecting proper aspect ratios with my Lumagen. Color space shouldn't affect the AR flag.
 
Sammie2980 said:
Now if a user such as myself has a C where the cover wall will be in 4K and played a 1080P movie it would display correctly however I would have the issue with 4K movies. Ex. If I played The Exorcist which is 1.85:1 iirc in 4K SDR, the movie will never clear the graphics flag and change to cinema, and when I return to the cover wall which I normally have set to scope 2.35 letterbox will be displayed in 1.85:1 with the letterbox inside of this aspect ratio.

Now lets take teh same scenario in my case but with a LRP. What will happen is it will display the movie as 2.35 and report as 2:35:1 when it should not but if I play a movie that is HDR which would result in a handshake it will play teh correct aspect ratio.
Click to expand...
That would be all new to me. As @thrillcat mentioned for the Lumagen, the Envy doesn´t care for any of the flags/colorspace/resolution with regards to aspect ratio. It just analyzes what´s in the content and reports/adjusts accordingly.
 
I have had only one instance with Kaleidescape and my Envy not properly scaling to my scope screen. It was when we watched Sinners a few weeks ago. I couldn’t figure out why the scope content was being shown with black bars on all four sides.

I mentioned it here or on AVSForums and was told this was an issue with the way Sinners was encoded by Kscape, or something to that effect. I’m still not sure what that the actual issue was due to.
 
Sammie2980 said:
its the same issue. Try changing the OSD refresh rate to Automatic. Then play a movie that is giving you the issue. I assume this is only happening with SDR movies.
Click to expand...
It is only SDR having issues. Changing the OSD to Auto didn’t change anything. It’s close enough I think I can live with it for now. Thanks for helping me get the signal type corrected though that was driving me nuts
 
Sammie2980 said:
The reason this happens is because the graphics flag is not cleared since it does not detect that a change has occurred from who the cover wall or kscape menu and is set to what the movie is showing. This displays in multiple ways depending on the player as well as video processor and this is not unique to Envy and also occurs with LRP just in a different way.
Click to expand...
We are aware if this issue. It has been reproduced in house and a fix for this is in the next kOS update. I can't share timings yet but the release is forthcoming.
 
J.Green said:
We are aware if this issue. It has been reproduced in house and a fix for this is in the next kOS update. I can't share timings yet but the release is forthcoming.
Click to expand...
Interesting. Can you elaborate a bit more? As mentioned above, both the Envy and the Lumagen shouldn´t actually care about the flag the K is sending out in terms of aspect ratio detection. (at least I´m not aware of)
 
DieZwei said:
Interesting. Can you elaborate a bit more? As mentioned above, both the Envy and the Lumagen shouldn´t actually care about the flag the K is sending out in terms of aspect ratio detection. (at least I´m not aware of)
Click to expand...
I can't speak to what MadVR does or doesn't do with the content type metadata flag. However, the bug on our side was that in situations where a playback was started that didn't trigger a mode change (very common if a player is configured for "Avoid mode changes") then the content type metadata flag wouldn't change from "Graphics" to "Film". The opposite could also happen if there was a mode change when movie playback was started (flipping the flag to "Film") but no mode change when returning to the OSD (the flag would remain set to "Film" instead of changing to "Graphics").
As I mentioned in my earlier post, we have fixed this issue in the next kOS release.

EDIT: I should clarify my statement somewhat given that the title of this thread is "Strato V not sending correct aspect ratio". The bug here is NOT that Strato is reporting an incorrect aspect ratio. It is simply that Strato _might_ be reporting the wrong content type.
 
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