Solve : Refresh rate and FPS I'm confused.?

1.	Solve : Refresh rate and FPS I'm confused.?
Answer» Hi, i have just purchased a 23" Asus 3D monitor that has a refresh rate of 120hz and so is capable of running games well over 60fps with vysnc on. The problem I have with this is people keep telling me the human eye can only take in 60 fps in games and so I'm wondering what benefits there are for having a monitor with a refresh rate of 120hz? Please only answer this question if you know something about this subject because I am thinking of taken this monitor back and exchanging it for one with a refresh rate of 60hz. Does the 120hz maybe have something to do with the 3D? Another thing - Can I play 3D blue ray movies once I have the shutter glasses and all and is it any good? Thanyou!! Quote from: Crafty on October 25, 2011, 08:26:38 AM people keep telling me the human eye can only take in 60 fps in games "The human eye cannot detect more than X FPS in games" is an inherently flawed statement as humans are not digital machines. The human brain is always on, always receiving input- it doesn't see "frames". Light HITS our eyes as a wave, and the information it carries is almost instantly transmitted to the Visual Cortex. The brain analyzes this data, focusing on CHANGES brought on by motion and fluctuations in intensity. Displacement is interpolated via motion blur and identical input is discarded to avoid extraneous processing. Basically, what we see is mostly dictated by "video post" filters that take place in the brain. The “decoded” image is further analyzed by various parts of the brain, but the overall process — as complex as it is — is quite fast and versatile. Much faster than 60 fps. The main reason for this myth starts with the older "can't see more than 30fps" myth, which exists because most video formats are 24-30 fps, so people assume that value was chosen based on some sort of opthamalogists recommendation or some nonsense. It wasn't. The reason films and movies get away with 24fps is simply because they have things like motion blur in-frame that assuage the brains sensation of motion. not always accurate, and in many cases purposely exaggerated to create a distinctive visual effect. The processing of such motion blur effects lowers the framerate even further, anyway, and that is noticable at an input-level. More granularity helps to smooth out movement and the human eye has no upper limit to "Frames per second" simply because the human eye and Visual Cortex have no concept of a "frame". That said, if the monitor is 3d the 120hz is probably to allow for 60hz display of 3d.BC_Programmer I can always rely on you to give a good explanation of how things work. Thankyou!!I have to say after reading this other link I'm confused again, so I would appreciate someone looking at the link and telling me what they think. I am just not sure when I am not using the 3D glasses, if I am then suppose to revert back to a refresh rate of 60hz. Somewhere in the text it says leaving it at 120hz will confuse your brain and make you see a blurred image, is this true? Quote from: Crafty on October 27, 2011, 03:46:37 PM I have to say after reading this other link I'm confused again, so I would appreciate someone looking at the link and telling me what they think. I am just not sure when I am not using the 3D glasses, if I am then suppose to revert back to a refresh rate of 60hz. Somewhere in the text it says leaving it at 120hz will confuse your brain and make you see a blurred image, is this true? 120Hz is used for the glasses. alternate frames are displayed on screen and synced to the glasses, which flip from left to right at at 120Hz, giving you an effective frequency of 60hz for a binocular image. What other link?120 Hz monitors were originally designed for better viewing of fast action and SPORTING events to reduce motion blur, before 3D monitors came out. I would think you could leave it on 120 Hz full time and not need to SWITCH back and forth. You just have to try it and see what you like. Quote from: rthompson80819 on October 27, 2011, 04:49:00 PM 120 Hz monitors were originally designed for better viewing of fast action and sporting events to reduce motion blur, before 3D monitors came out. I would think you could leave it on 120 Hz full time and not need to switch back and forth. You just have to try it and see what you like. ALSO true. Typically it is lower refresh rates that cause eyestrain and headaches, not higher refresh rates. Quote from: BC_Programmer on October 27, 2011, 04:27:49 PM What other link? Sorry, this link. http://www.guru3d.com/article/nvidia-geforce-3d-vision-review/1 Quote from: BC_Programmer on October 27, 2011, 04:56:27 PM Also true. Typically it is lower refresh rates that cause eyestrain and headaches, not higher refresh rates. True.

Answer»

Hi, i have just purchased a 23" Asus 3D monitor that has a refresh rate of 120hz and so is capable of running games well over 60fps with vysnc on. The problem I have with this is people keep telling me the human eye can only take in 60 fps in games and so I'm wondering what benefits there are for having a monitor with a refresh rate of 120hz? Please only answer this question if you know something about this subject because I am thinking of taken this monitor back and exchanging it for one with a refresh rate of 60hz. Does the 120hz maybe have something to do with the 3D?

Another thing - Can I play 3D blue ray movies once I have the shutter glasses and all and is it any good? Thanyou!! Quote from: Crafty on October 25, 2011, 08:26:38 AM

people keep telling me the human eye can only take in 60 fps in games

"The human eye cannot detect more than X FPS in games" is an inherently flawed statement as humans are not digital machines. The human brain is always on, always receiving input- it doesn't see "frames". Light HITS our eyes as a wave, and the information it carries is almost instantly transmitted to the Visual Cortex. The brain analyzes this data, focusing on CHANGES brought on by motion and fluctuations in intensity. Displacement is interpolated via motion blur and identical input is discarded to avoid extraneous processing. Basically, what we see is mostly dictated by "video post" filters that take place in the brain.

The “decoded” image is further analyzed by various parts of the brain, but the overall process — as complex as it is — is quite fast and versatile. Much faster than 60 fps.

The main reason for this myth starts with the older "can't see more than 30fps" myth, which exists because most video formats are 24-30 fps, so people assume that value was chosen based on some sort of opthamalogists recommendation or some nonsense. It wasn't. The reason films and movies get away with 24fps is simply because they have things like motion blur in-frame that assuage the brains sensation of motion. not always accurate, and in many cases purposely exaggerated to create a distinctive visual effect. The processing of such motion blur effects lowers the framerate even further, anyway, and that is noticable at an input-level. More granularity helps to smooth out movement and the human eye has no upper limit to "Frames per second" simply because the human eye and Visual Cortex have no concept of a "frame".

That said, if the monitor is 3d the 120hz is probably to allow for 60hz display of 3d.BC_Programmer I can always rely on you to give a good explanation of how things work. Thankyou!!I have to say after reading this other link I'm confused again, so I would appreciate someone looking at the link and telling me what they think. I am just not sure when I am not using the 3D glasses, if I am then suppose to revert back to a refresh rate of 60hz. Somewhere in the text it says leaving it at 120hz will confuse your brain and make you see a blurred image, is this true?

Quote from: Crafty on October 27, 2011, 03:46:37 PM

I have to say after reading this other link I'm confused again, so I would appreciate someone looking at the link and telling me what they think. I am just not sure when I am not using the 3D glasses, if I am then suppose to revert back to a refresh rate of 60hz. Somewhere in the text it says leaving it at 120hz will confuse your brain and make you see a blurred image, is this true?

120Hz is used for the glasses. alternate frames are displayed on screen and synced to the glasses, which flip from left to right at at 120Hz, giving you an effective frequency of 60hz for a binocular image.

What other link?120 Hz monitors were originally designed for better viewing of fast action and SPORTING events to reduce motion blur, before 3D monitors came out. I would think you could leave it on 120 Hz full time and not need to SWITCH back and forth. You just have to try it and see what you like. Quote from: rthompson80819 on October 27, 2011, 04:49:00 PM

120 Hz monitors were originally designed for better viewing of fast action and sporting events to reduce motion blur, before 3D monitors came out. I would think you could leave it on 120 Hz full time and not need to switch back and forth. You just have to try it and see what you like.

ALSO true. Typically it is lower refresh rates that cause eyestrain and headaches, not higher refresh rates. Quote from: BC_Programmer on October 27, 2011, 04:27:49 PM

What other link?

Sorry, this link. http://www.guru3d.com/article/nvidia-geforce-3d-vision-review/1 Quote from: BC_Programmer on October 27, 2011, 04:56:27 PM

Also true. Typically it is lower refresh rates that cause eyestrain and headaches, not higher refresh rates.

True.

Solve : Refresh rate and FPS I'm confused.?

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