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SvennoJ on 14 October 2013
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Netyaroze said:
SvennoJ said:
Netyaroze said:
GameAnalyser said:
Netyaroze said:
60fps should be standard for everything from Games to TV to Movies and Videostreams. I dont see why 24fps would be better at all.

The shared 48 fps video is indeed 60 fps...

No its obviously not 60fps. What I wanted to say is every movie needs to be 60fps not just 48fps like the Hobbit due to the refresh rate of the TV screens so every refresh a new picture. On a TV Screen 60fps are ideal.

Most tvs nowadays have the logic to display 24 fps correctly, no need to make everything 60 fps. It's just a matter of timing logic. 240hz screens can display 48fps correctly by showing each frame 5 times, but it's simpler to add the timing logic to work at 48hz, just like a 60hz tv can work at 24hz.

It would be even better if the tv simply displays the frame when it's available, driven by delivery instead of on a fixed frequency. Never any screen tearing anymore and a lot more flexibility for making effects. The only limit is the response time of the lcd array.


Did not now that.

 

To bolded why is that not standard already ? Is this even possible to do ? Are there screens like that ?

My guess is that it's too big of a change. For historic reasons everything operates on a fixed cycle which was once synchronized with the frequency of AC power (50hz or 60hz). It's not a limitation of the monitor but of the analog transmission to the monitor. Plenty of CRT monitors could aready switch to any refresh rate, just not on the fly. There are also LCD monitors that accept any frequency between a minimum and a maximum and can be overclocked. You can play at 75fps on an LCD monitor if you know how, but it's still a fixed refresh rate.

HDMI cables operate on the basis of a fixed transfer rate that both parties agree on. It would make more sense if it operates the way data is read from an optical disk, download the data and display it at the preferred time. You don't need anything more then images with a time code. Most LCD tv's don't dislay the frame directly anyway. Unlike CRT's that have zero lag, LCD tv's do their own internal processing and scaling before outputting each image.

It's the standardized transmission link in the middle that holds things back. Yet GPU's have to change too. They create the screen tearing by reading the framebuffer at a fixed frequency to feed the signal transmission. Too much of a fundamental change in signal transmission :(
It's already taking years for the HDMI organization to provide 3D at 60 fps....