DP shot film in 2 different modes!!

To my knowledge 24PA was introduced for image quality issues (compression-related). And simpler pulldown removal.

In either 24P or 24PA modes the camera captures 23.976fps (progressive) but has to lay down 29.97fps (interlaced) on tape.
In 24p the pulldown pattern is 2:3 or 3:2 (depending on pulldown phase) AA : BB : BC : CD : DD
In 24pa the pulldown pattern is 2:3:3:2 AA : BB : BC : CC : DD

The problem with 24p is that Frame C is split into two fields, each field into different frames, sharing half a frame with B & D.
Further technical explanations lead to compression for Frame C being more efficient with 24PA.

After removing pulldown from either mode, you can edit 24p natively. However, theoretically, images recorded in 24PA will be less affected by compression.

If pulldown is not removed, and images are edited on a 60i timeline 24P looks less strobed than 24PA. 24PA is definitely intended to have pulldown removed and edited on a 24P timeline.
 
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Basically, the regular 24p is a dinosaur and has no use anymore since most all NLE's will do the 24pA pulldown on the fly. Why Panny kept it, I have no clue. Sony's V1 has regular 24p, but no 24pA, why, I have not a clue, sort of defeats the purpose...
 
BenB said:
Basically, the regular 24p is a dinosaur and has no use anymore since most all NLE's will do the 24pA pulldown on the fly. Why Panny kept it, I have no clue. Sony's V1 has regular 24p, but no 24pA, why, I have not a clue, sort of defeats the purpose...
Click to expand...

24p and 60i can easily be edited in the same 29.97 DV NTSC sequence. That can be handy.
 
With all due respect, 24P is not a dinosaur as it is still being used in many workflows. Certainly you can say that 24P advanced is perhaps a better choice in editing in a 24P timeline, but we can't just pretend 24P is dead, just isn't the case. 24P advanced has its own set of issues when being edited into a 60i sequence, as has been noted in a previous post. 24P can actually look better in these situations when there is a lot of movement, etc. As with everything else, it always depends what you are trying to do, what the end goal is. If there was one golden format, that's what everyone would use and the others would be a thing of the past. But reality is, there are always pros and cons to every format. Don't really want to go on a rant here, just my 2 cents.

Steve
 
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