SO lost!

F

freerideprods

Active member
This is quite ironic because before I purchased my DVX, I did tons of research online about it and the different frame rates and all that. I felt like I was all set and that I would have no problem figuring it out. Then I got it, and I realized I had tons of questions in terms of frame rates and editing. So here's what i came up with:

1.) From what I understand, the 60i mode is making 60 fields and making them into 30fps video....if so, why does it look so much smoother than the 30fps progressive?

2.) I'm goin to be mixing this dvx footage with my old gl2 footage on a regular 30fps timeline in premier pro 1.5, and the 60i footage looks more similar to the gl footage in terms of smoothness. But there is a problem, when I import the 60i footage, its all glitchy.....like itll go maybe 10 frames foward then it will go backwards one or two then foward 10. When played full speed...it it unusable and ugly. Am I doing something wrong?

3.) Do I need premier pro 2.0 to edit 60i footage?

I got the 24p thing covered, but right now I'm really not sure if I should shoot 60i or 30p.

Sorry for all the noob questions.
 
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nope, 60i is regualr shot video, if you shot on canon,jvc etc you will be fine on a premiere pro ntsc 29.97 timeline mixing them all.

If you shot 24 on dvx and try to edit that along side regualr video such as 60i(dvx) or any other camrea jvc, canon. You might have some issues in pro 1.5 i havent tested out pro 2.0 yet as my project isnt finished yet so im not switching.
Look at http://www.adobe.com in their forum section, you should find your pro 2.0 24/60i answer.

I can tell you that editing 24p and 60i in pro 1.5 was a pain in the ass but i figured it out so it works fine now(do a search on this stie and u'll find my post/s)
 
freerideprods said:
This is quite ironic because before I purchased my DVX, I did tons of research online about it and the different frame rates and all that. I felt like I was all set and that I would have no problem figuring it out. Then I got it, and I realized I had tons of questions in terms of frame rates and editing. So here's what i came up with:

1.) From what I understand, the 60i mode is making 60 fields and making them into 30fps video....if so, why does it look so much smoother than the 30fps progressive?

2.) I'm goin to be mixing this dvx footage with my old gl2 footage on a regular 30fps timeline in premier pro 1.5, and the 60i footage looks more similar to the gl footage in terms of smoothness. But there is a problem, when I import the 60i footage, its all glitchy.....like itll go maybe 10 frames foward then it will go backwards one or two then foward 10. When played full speed...it it unusable and ugly. Am I doing something wrong?

3.) Do I need premier pro 2.0 to edit 60i footage?

I got the 24p thing covered, but right now I'm really not sure if I should shoot 60i or 30p.

Sorry for all the noob questions.
Click to expand...


You can combine 24p and 60i in a 29.97 timeline and output to NTSC interlaced or progressive scan. Premiere will handle the pulldown and for the 24p or it will deinterlace the 60 i if you choose progressive scan output for web or a progressive scan DVD.

Premiere will also handle shooting the DVX in 30p and editing in 29.97 as well. The DVX handles the 60 i to 30p 0r 60 i to24p internally premiere recognizes the pulldown or the field to frame conversion. Other cameras do not have the pulldown/frame conversion the DVX has.

Also look at DV FILM Maker for $145.00 to convert you old GL 60 footage to 24p. There will be some artifacs but the product is very good. You can then edit the 24p and the converted 60 i (to 24p) in a 29.97 timeline or a 24p timeline.

Remember that 24p only has the shutter open for 24 frames per second vs the 60 fields for 60 i. That produces the stutter or jerkeness if you move the camera to fast. 30p is better than 24p but still stuttery compared to 60 i. This is true with a film camera as well. Move it to fast and the results are stuttery jerk motion. You need to use slow pans and smooth camera moves to avoid this. If 60 i footage is converted to 24p and the footage was fast-panned it will really stutter in 24p. While lousy (fast-panned) 24p won't improve in 60 i.

The DVX does not auto convert 60 i to 30p unless you select the 30p option in the scene menu. You can shoot the DVX in 30p and edit with 60 i in a 29.97 timeline and Premiere will convert the 30P to fields but again 30p won't be as smooth as 60 i. It's the camera motion not the editing software.

You need to practice smooth moves and slow pans if and the progressive fottage will loke goo but it will NEVER be as smooth as 60 i that why it looks like film.

SCannon
 
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alright i sorta get it, but if 60i makes 30 frames, how come it looks so much smoother than 30p? And since 30p is still 30fps, how come its so much choppier? sorta the same question....
 
Because 60i is *not* 30 frames. This is one of the most confusing pieces of terminology in the video world. 60i means sixty fields per second.

30P = 30 progressive frames per second.

But unfortunatley we've been saddled with this notion that video is "30 frames" per second, where two fields "make a frame." They don't. There's nothing frame-based about NTSC or PAL video. The fields don't get paired up to make a "frame" anywhere except in an NLE. In a video broadcast or on an interlaced television each field is displayed individually, sequentially, at equal spaces in time. So people try to explain the fields by saying "field 1 and field 2 make up frame A; field 3 and field 4 make up frame B" etc. And it's misleading and confusing. Because the truth is, field 2 will spend just as much time sharing the screen with field 3 as it does with field 1.

So 30p = motion sampling 30 times per second. 60i = motion sampling 60 times per second. Ergo, 60i = smoother motion rendition than 30p. And "29.97 NTSC" is just a confusing misnomer, one that we are unfortunately stuck with.
 
wow, thanks that was a really good explanation for me. I think I have it figured out and everything seems to be working well. The first day I got the camera I shotabout 2 minutes of footage and I switched between 30p -> 60i -> 24p. The only problem is that premier pro keeps capturing all of it in 23.9** fps and it ruins both the 30p and the 60i footage. It even does this when I only capture the 30p footage. I am doing this in a 29.9** frame per second project. Does anyone know what is doing this?

Sorry for all these questions, but thankfully you guys have cleared stuff up for me.
 
Premiere Pro 1.5 has an issue with the 24p footage in a 29.97 timeline. It handles the 24p footage quite well in a 23.97 timeline...but when imported into a 29.97 project it still interprets the footage as 23.97. I went through the same problems, but these issues have been fixed in 2.0.

I'm not sure why you're having troubles with regular 60i footage. Maybe when capturing, the 24p footage was first, then the 60i, and premiere flagged all the footage 24p. Try capturing the 60i footage again...just the 60i footage, and see if that works in the 29.97 timeline.
 
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