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TubeTape 1080p what is different from 1080i?

Discussions about High Definition Television, Blu-Ray, HD DVD and other high definition DVD formats.

TubeTape 1080p what is different from 1080i?

Postby Jeffrey W. Arnold » Fri Mar 21, 2014 12:59 am

Tonight I was looking at a website for Tubetape and they have many video products, I considered buying one of them but it said it was in 1080p, I am unsure if that is the same as 1080i, and does anyone know if the 1080p stuff is compatible with a project that has 1080/60i stuff? Also, does anyone know if 1080p works with Movie Studio Platinum 12?
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Re: TubeTape 1080p what is different from 1080i?

Postby Steve Grisetti » Fri Mar 21, 2014 7:18 am

"i" is interlaced video and "p" is progressive video.

Interlaced video uses two frames of interlaced images to produce one frame of video. This is the way television traditionally created frames of video. 60i (or 1080i) uses 60 half frames of information to create 30 frames of video per second.

60p (or 1080p) is where television is headed (and most HDTVs already use). It gives you 60 complete frames of video every second.

Can you see the difference? Well, mostly in video that has a lot of motion, for obvious reasons.

Can you use 1080p footage in a 1080i project? Yes -- although when the program re-renders it, you will just have 1080i video.

As I point out in my books, if you're going to use a different video or frame format in your Movie Studio project and you want the best results, you should open the Video Project Properties and set the Full Resolution Rendering Quality to Best and you should set the Deinterlace Method to Interpolate Fields.
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Re: TubeTape 1080p what is different from 1080i?

Postby Jeffrey W. Arnold » Fri Mar 21, 2014 11:34 am

Great Information to know Steve. Last night I got home from work and spent a great deal of time in you book, "Guide to Sony Movie Studio Platinum 12" and I must say it is very well organized and well written. I have it and another of your books sitting on my desk were I work on my videos, they are teaching me a great deal and come in rather handy when in a project and something comes up.
Thanks Jeff,

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Re: TubeTape 1080p what is different from 1080i?

Postby Jeffrey W. Arnold » Fri Mar 21, 2014 11:42 am

Steve, I just looked in my Video Camera Operating Guide and learned that my Camera can record in either 1080/60i or 1080/30p, so in your experience should I choose the 1080/30p over the 1080/60i for my projects?
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Re: TubeTape 1080p what is different from 1080i?

Postby Bob » Fri Mar 21, 2014 1:47 pm

You can use either depending on your preferences. You'll mainly see the differences where there is motion. The faster the motion, the more visible the differences. 60i is interlaced with two fields per frame -- one field with even scan lines, the other with odd scan lines. Together, the two fields make up one frame and the frame rate will be 30 frames per second, the same as the 30p. Because each field is recorded at a different point in time, you'll get a temporal smoothing. Motion will be smoother, but the tradeoff is that you can get "combing" artifacts in the areas that have fast motion. 30p will not have "combing" artifacts, but motion will be jerkier. Shoot some test footage in each mode with the amount of motion you typically expect and see which you prefer.
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Re: TubeTape 1080p what is different from 1080i?

Postby Jeffrey W. Arnold » Sat Mar 22, 2014 1:38 am

Thanks Bob, great idea. I should experiment with each to find out which I like better. By the way, what do they use on big budget films in Hollywood?
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Re: TubeTape 1080p what is different from 1080i?

Postby Bob » Sat Mar 22, 2014 5:01 am

1080i and 1080p are high definition video standards related more to HDTV than cinema. Hollywood big studio digital films for cinema use different standards. A better question would be how are Hollywood studios distributing video for hdtv viewing. The primary high definition delivery vehicle has been Blu-ray discs. The Blu-ray standard includes 1080i but does not include 1080p. If you want to play 1080p on your hdtv, you will need to access it locally from an attached device or your home network or stream it.
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