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Forums - Sony - PSVR 'You Can't Drop Under 60 FPS Ever.'

GribbleGrunger on 17 March 2016
TheMessiah said:
If games on PS4 struggle to sometimes hit 900p 30 fps, I'm at a loss. What sort of graphics are we talking about? last gen visuals?

Check out some of the vids on Youtube and you'll see.



 

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MikeRox on 17 March 2016
vivster said:
Why? Our eyes can't see faster than 24fps!

 

24fps is the point where a moving image looks smooth/consistent rather than like a slide show to the human eye.

 

This often gets confused as "humans can only see at 24fps". I can tell you a 60fps or 30fps just looking at a short extract. Something purely down to eye sight rather than feel.



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MikeRox on 17 March 2016
the-pi-guy said:
TheMessiah said:

Ok thanks. Its all a little confusing lol.

It's a lot of new stuff, and there's a fair amount of misinformation going around.

 

MikeRox said:

24fps is the point where a moving image looks smooth/consistent rather than like a slide show to the human eye.

This often gets confused as "humans can only see at 24fps". I can tell you a 60fps or 30fps just looking at a short extract. Something purely down to eye sight rather than feel.

I'm pretty sure he was just joking. 

 

Maybe, however pretty much every 30 vs 60 thread always has people stating it as fact so wasn't sure.



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TheMessiah on 17 March 2016

Thanks everyone. I'm not as knowledgeable when it comes to the workings of VR.



Kowan on 17 March 2016
TH-Work said:
60FPS is still not 120FPS :)

60fps will be reprojected as 120fps on PSVR. :)



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Normchacho on 17 March 2016
TheMessiah said:
Thanks everyone. I'm not as knowledgeable when it comes to the workings of VR.

I wouldn't worry about it. As someone who's been following VR for a while now, it's actually amazing to see how many more people understand this stuff than did even 6 months ago. So you, as well as plenty of others, will learn in time.



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TH-Work on 18 March 2016
Sprash said:
TH-Work said:
60FPS is still not 120FPS :)

yeah and 78.5*2/3+5FPS is also not 65*3/2-40.5+(1/3)FPS :)

Maybe ;)



Pemalite on 18 March 2016
Normchacho said:
GamechaserBE said:
60 is to low/90 should be minimal, 60 can only be okay in slowish games maybe a horror game like P.T. would be okay but 60 in ace combat or a racing game will end up making people sick.

This is 60fps before reprojection. So an effective 120hz.

Not "effective". - Reprojection comes with it's own caveats and in some cases artifacts.
It works by grabbing two frames, blending them together to create an extra frame, it's not rendering new frames, it's not perfect, 90fps/120fps would ideally be better but the PS4's hardware is static and limited.

It is similar in concept to some TV's where they will duplicate/blend frames together to achieve higher rates, it's not ideal, not compared to native rates.




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Chevinator123 on 18 March 2016

Reprojection only effects your head/camera movements but moving objects in the game will still act like theyre 60fps. but this is ok because most of the motion sickness comes from camera/head movements anyway. If the PSVR didnt have this reprojection system and had to run at 90fps i think most games would be either massively downgraded visually or very basic because PS4 is a bit weak. PSVR is still a great reliable and cheaper alternative then Rift or Vive if you dont have a top rig.

 

Pemalite said:

Normchacho said:

This is 60fps before reprojection. So an effective 120hz.

Not "effective". - Reprojection comes with it's own caveats and in some cases artifacts.
It works by grabbing two frames, blending them together to create an extra frame, it's not rendering new frames, it's not perfect, 90fps/120fps would ideally be better but the PS4's hardware is static and limited.

It is similar in concept to some TV's where they will duplicate/blend frames together to achieve higher rates, it's not ideal, not compared to native rates.

I keep reading this around the internet but i dont think artifacting will be a problem because most PSVR games run at 60>120 like RIGS, London Heist and Battlezone and iv never read anything but very positive opinions (iv never tryed it myself though) neither have any devolepers ever talked about it being a issue?



Slimebeast on 19 March 2016

How does it all work if our screens are only 60Hz (which most of our screens are)? Does the game still look as fluid as a 90fps game?

EDIT: I forgot that VR has its own screens lol