24hz movies on 120hz iPad Pro 10.5.

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24hz movies on 120hz iPad Pro 10.5.

I‘m kind of confused.

I have several 24fps movies that I put on my Pro 10.5. What frame rate will they run at on the 10.5?

I have compared them on my MacBook Pro (60hz) and they are more smoother on my iPad. There‘s virtually no judder. I understand there’s the 3:2 pulldown process happening on my MacBook which will cause juddering.

But are they running at 24hz or 120hz, or something different?

I have read all different things on the net, but want a definitive answer.

Some say it plays the content that it’s encoded it, so that would mean 24hz, and others say something else.

Posted on Dec 30, 2017 9:39 PM

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Answer 1

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flipswitch Author

Level 1

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Dec 31, 2017 9:36 PM in response to flipswitch

I wasn’t sure how to update the above pist so I created another one.

I think I’ve git the answer to my question.

48hz is what movies play at. The above picture is from the keynot:

from phone arena.

ProMotion display technology on the Apple iPad Pro explained: buttery smooth!

flipswitch wrote:

When static images are shown, however, there's no need for such a fast refresh rate. ProMotion switches to 24 screen updates per second (24Hz) in this case to preserve power. And when movies are shown, the refresh rate gets set to 48Hz – sufficient for their frame rate of 24fps, apparently

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Answer 2

MichelPM

Level 10

81,525 points

Dec 31, 2017 10:12 AM in response to flipswitch

No it is YOU who is confused.

320p 480p, 720p, 1080p are the number of scan lines a digital flat screen TV can produce. (yeah I stated pixels per inch, I was thinking resolution, but the wrong resolution terminology in this case, my bad) generated at a frequency rate of either 60,120 or, now, with the recenty new higher definition 4K/5K flat screen TVs being introduced, 240 Hz.

A 320p, 480p or 720p created video will look less sharp on a digital flat screen tv that is capable of 1080p

A LOT of what I stated IS correct and many animated and CGI based films are created/processed at higher frame rates.

I meant to state between 30-36 fps.

Many Disney/Pixar movies use frame rates higher than 24 fps. Typically Disney animated/Disney digital animated CGI movies are created at 34 or 36 fps. A movie, like James Cameron’s Avatar was CGI animated in 34 fps.

I believe James Cameron's Titanic was shot at a higher than standard 24 fps. I think Titanic was shot and CGI special effects and animations were shot at 30 fps, too!

Here are the specs for your iPad Pro 10.5.

https://www.apple.com/ipad-pro/specs/

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Answer 3

MichelPM

Level 10

81,525 points

Dec 30, 2017 11:20 PM in response to flipswitch

You’re confusing film/video frame rates with video screen transmission frequency refresh rates.

Movies and videos typically play at 24 frames per second (fps) at digital screen transmission rates of 320, 480 720 or 1080 p (pixels per inch) at 60 Hertz (Hz) screen refresh rates.

Some movies are shot at 30 fps but tv/video screen tranmision rates stay the same.

A lot of animated CGI movies/films are shot at 32 or 36 fps, but tv/video is still transmitted at various digital pixel rates at 60 Ghz.

Newer video devices and digital flat screen TVs can now have screen transmission/refresh rates of 120 hz or now 240 hz.

So, your IPad 10.5 will handle films/video at, at least, 24 fps at up to 1080p at up to 120 hz.

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Answer 4

flipswitch Author

Level 1

12 points

Dec 31, 2017 12:11 AM in response to MichelPM

A lot of what you said is incorrect. For starters 1080p, the p stands for progressive not pixel per inch.

Ive never heard of cgi movies being shot at 32 or 36fps. Where are you getting this info from?

You said iPad can handle films/video from 24fps up to 120hz. But you said up to 1080p. I don’t think this is also right.

You can encode and watch a video higher than that on iPad.

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Answer 5

flipswitch Author

Level 1

12 points

Dec 31, 2017 3:58 PM in response to MichelPM

I don’t want to go off topic or have an argument, so I’ll leave it at that. 😉

I contacted Apple via their chat and was told this:

“So what I can say is that with the 120hz display, it can playback up to 120fps however that actual performance may vary slightly depending on the action we’re doing. But we don’t have a way to actively monitor what fps it’s playing back at.”

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