The original MP4 video file captures by Theta V looks like in 4K resolution, but it is reduced to HD resolution if I convert it to general 360 (equi-rectangular) format using the basic converter. I cannot find any option to keep it as 4K resolution.
I can see many 360 videos in 4K resolution on YouTube and even the demo videos by Ricoh.
How can I generate 4K 360 video from the original footage? Do I need any special software rather than the original Ricoh Theta software provided as default? (My version is 3.1.2)
If you made it in smartphone the video is HD , if stich on desktop you get 4K
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Thank you for your reply.
Now I got it. It converts to 2K video if I do it on Windows 7.
It says Windows 10 is required for 4K video conversion.
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With RICOH THETA app for Windows® ver. 3.0.0 in win7 you have only 2k but with the last update 3.1.2 you should get 4k in win 7 too
I tried to uninstall all old versions and reinstalled 3.1.2, but now it clashes in converting on my Windows 7 desktop.
There may be some problem in registry.
Anyway it’s working fine on my Windows 10 laptop.
Thank you.
Unfortunately even 3.2.1 converts the video to 2K under Win7 
Anyone know of a tool to convert to 4K ?
Also is there any way to convert to a standard “flat” video, that could be useful in some cases. Thanks !
One option is to enable in-camera stitching on the Theta V. You can copy and transfer the ready to go file from the camera to your PC.
Thanks, Theta S here though 
You wish to upscale or up-rezz or the original video footage from the Theta S to 4K?
Just create a 4K project in your NLE and then place your footage from the S onto the timeline, and make sure to “fill” it completely. (If you are a pixel off, you will get a black hole in the nadir or zenith when uploaded to YouTube.)
I’ve seen people place 360 stills on a 4K size video timeline with music, narration that was pretty interesting.
Thanks for helping. Well I’d like to get the best possible video quality from the original footage. It’s a bit hard to understand why Win10 is required for that !
ok, revisiting this I was actually a bit confused. No 4K from the Theta S of course but I saw a post (sorry don’t have the link handy) where it was said that Win10 stitched in higher quality than Win7. Did I read that wrong ? Thanks !
It is correct but not the Size but the kbit/s
Souse
https://ggnome.com/forum/viewtopic.php?f=5&t=10456&start=60#p45117
Video quality from THETAS 360 Video converted with RICOH THETA application
Better Quality in Windows 10
original_raw 163 Mb16018 kbit/s
win_7er 79 Mb 7692 kbit/s
win10_er 160 Mb 15703 kbit/s
i think You Tube reduce to 8000kbit/s
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Thank you that’s exactly what I had in mind ! So would you say it makes a difference once the video is uploaded to YouTube ?
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Yes it becomes 12000 kbit/s
try to download a 1920x960 video from Youtube and check it out
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ok but I mean with your example, do you see a big difference in quality between the Win7/Win10 versions before and after upload to YouTube ?
Just to close the loop and see if it’s worth my time tracking down a Win10 computer I’m still wondering if there is a visible difference in quality between the Win7 and Win10 files before and after an upload to YouTube ? Thanks !