60i vs 60p

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60i vs 60p

Unread postby Saturnalia » Mon Jul 07, 2014 7:49 pm

So I've been reading about 60i vs 60p for video recording, and I understand the interlaced/progressive ideas. I shoot in 1080p HD with the option of 60i or 60p. Thus far, I have used the default 60i. Should I be using 60p for moving trains?
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Re: 60i vs 60p

Unread postby StupidFlee​t » Mon Jul 07, 2014 7:56 pm

http://www.trainorders.com/discussion/r ... ?9,2693352

Date: 02/20/12 14:41
Re: 60i vs 60p
Author: hdralleiii
"p" stands for progressive and "i" is for interlaced. With 60p, you get the whole picture every frame and with "i" you get half the picture every frame with alternating even/odd pixel sampling. Advantages and disadvantages to both. "p" generally is a better picture for motion as I recall and "i" is not as clear..

Hank



Date: 02/20/12 21:57
Re: 60i vs 60p
Author: clem
60p is one frame every 60th if a second; 60i is 1/2 a frame every 1/120th of a second.

If you are going to freeze-frame, progressive is better. If you are going to watch motion, interlaced is supposed to look "smoother." Whether that is useful, particularly at 60 fps, is debatable.

Photoshop will "deinterlace" a 30i or 60i single frame to progressive. It will not look as good as a 30p or 60p frame, but will be an improvement in the interlaced still.
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Re: 60i vs 60p

Unread postby jkh2cpu » Mon Jul 07, 2014 7:57 pm

I don't have a clue. I'd try both and see which you like better, *IF* you can spot a difference.

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Re: 60i vs 60p

Unread postby Saturnalia » Mon Jul 07, 2014 8:07 pm

I'll try 60p for a bit and see how it goes...
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Re: 60i vs 60p

Unread postby cbehr91 » Mon Jul 07, 2014 9:27 pm

MQT3001 wrote:So I've been reading about 60i vs 60p for video recording, and I understand the interlaced/progressive ideas. I shoot in 1080p HD with the option of 60i or 60p. Thus far, I have used the default 60i. Should I be using 60p for moving trains?


That Trainorders thread is mostly incorrect.

If you have the option of shooting 60p, shoot 60p. Newer TVs and computer monitors are progressive. Interlaced video is the old standard that was used with CRTs although it continues to be the American broadcast television standard for those who broadcast 1080. Each frame was actually made up of two "fields" of video. Progressive video is a single field. That's really the only difference.
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Re: 60i vs 60p

Unread postby Y@ » Tue Jul 08, 2014 4:25 pm

cbehr91 wrote:That Trainorders thread is mostly incorrect.


Wow, what a surprise.
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