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 Help understanding passive and active refresh rates for 3d 
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Two Eyed Hopeful

Joined: Fri Jul 15, 2011 4:19 am
Posts: 78
Hi,
Somebody got me thinking so i'm just here looking for questions to my answers if possible.

Here goes and lets just say this is linked to 60fps 3d gaming ;)

1) Active 3dtv's refresh at 120hz, 60hz per eye gives 60fps.

2) Passive 3dtv's refresh at 60hz, each interleaved image gives 60hz as both images are displayed at once unlike active that displays one after the other, or does passive still refresh at 120hz.

3) Does passive have 2 30hz interleaved images that make 60hz


What's your thoughts on this, links to solid proof would be nice if possible.
I have my own view at the mo but i'll not taint any further replys with my view yet.

Thanks for your time and help.

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Wed Feb 15, 2012 3:55 am
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3D Angel Eyes (Moderator)
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Joined: Sat Apr 12, 2008 8:18 pm
Posts: 10028
1) Yes, active is 120Hz total; 60Hz per eye.
2) Passive is 60Hz total, but also 60Hz per eye (since both frames are shown simultaneously).
3) No. Passive is 60Hz. Though technically they could do passive at 120Hz or greater, they just haven't thus far.

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Wed Feb 15, 2012 8:48 pm
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Two Eyed Hopeful

Joined: Fri Jul 15, 2011 4:19 am
Posts: 78
cybereality wrote:
1) Yes, active is 120Hz total; 60Hz per eye.
2) Passive is 60Hz total, but also 60Hz per eye (since both frames are shown simultaneously).
3) No. Passive is 60Hz. Though technically they could do passive at 120Hz or greater, they just haven't thus far.


Cheers Cybereality, that's what i thought, passives are 60hz at the moment.

_________________
Samsung ps51e6500, Acer h5360bd + 80" fixed screen
Sli Gigabyte gtx670 Windforce x3
Intel 3770k Oc'd + Noctua Nh-D14
Asus Sabertooth Z77
8gb 2133mhz Crucial Smart Tracers Oc'd
Ocz Vertex 4 128gb
1tb Samsung F3
Coolermaster HafX
Demciflex full Magnetic Filter Set

Home 5.1 Surround Sound
Coolermaster Sirus 5.1 Headset


Thu Feb 16, 2012 8:29 am
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