Any system that can display actual 4k in 3D? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 4 Old 02-01-2019, 08:33 AM - Thread Starter
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Any system that can display actual 4k in 3D?

Hi All,

I am looking for a system (screen or projector) that can display 4K (or at least more than 1920x1200) in 3D. All the 4K + 3D screens/projectors I can find drop down to 1920x1200 for 3D (which then is usually halved for SBS or Top-Bottom). I generate my own content in real-time, so media availability is not an issue, I can also feed separate left/right image signals if bandwidth is a problem. I can do pretty much anything I need to and money is a limited concern (it's for work, not for my home ), I just need the extra pixels and I need 3D. Bonus points for UST projectors!

Has anybody seen anything like this?

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post #2 of 4 Old 02-02-2019, 08:12 AM
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3D is typically 1920x1080. Are you thinking photos or video? I answered this in a previous thread. 4K is not the issue since all 3D is 1080p (or 1080i) regardless of format. Frame-packed or frame-sequential will give you the best image using all the pixels, then comes Over/Under and SBS, which basically halves the pixels per eye. If you want the sharpest most detailed 3D, then I suggest the Optoma HD29Darbee or HD39darbee. I had the HD29 and for 3D detail, it's hard to beat. I don't think you can generate frame packed on the fly, though. You can do frame sequential through a computer on the fly, which would give you all the pixels,
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post #3 of 4 Old 02-02-2019, 11:39 AM
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Dual 4K projectors for passive 3D or any of the 4K LG passive screens from late '13-'16, and possibly a few Active 4K screens. Samsung had a few that displayed 4K 3D.

For 4K LG screens they can accept 4K 3D signals up to 4096x2160p. In order for the screen to display the highest quality (and use all screen area without black bars) you will have to render to top/bottom 3840x2160 which will show with passive glasses 3840x1080p/eye. This is half 4K/eye but double the resolution of Blu ray 3D. This looks very good in 3D on OLED.

Dual projectors you would have to ask around there are a few on here using dual projectors but that method you would have full 4K/eye, content is of course non-existent commercially right now.

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post #4 of 4 Old 02-04-2019, 08:21 AM
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Some 2019 displays will support 4k at 120hz, so it may be possible to push a frame sequential 3d with active glasses like Nvidia 3D Vision. Although you'd need to drop to 4:2:0 subsampling, because Nvidia cards are only HDMI 2.0 (although maybe a Display port 1.3 to HDMI 2.1 adapter could do 4k 120hz 4:4:4 if such an adapter is ever made).
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