Non-drop frame

Question

I'm pretty sure I know the answer to this question but I'm wondering if this is documented anywhere because I have several other people thinking the opposite is true. Would anyone disagree with this statement?

Whether you select non-drop frame or drop frame on a composition, that has no bearing on the actual file or composition other than what we are addressing the frames as?

Sure, if someone wants something to happen at 1:22:07 we might be talking about a different frame but the selection does add frames or change anything about the composition itself. If it was 1800 frames long, it will still be 1800 frames if you switch this. This selection is purely a human convenience of addressing frames and that's it.

Am I missing anything?

Rick Gerard · Answer

Drop Frame timecode does not drop frames, it drops frame numbers so that the timecode is equal to the acutal running time of the video. It was developed in NTSC countries (60Hz poser) when color was introduced. They needed to add 3 lines to the TV signal and to do that they slowed the frame rate from 30 fps to 29.97 fps. They had to drop frame numbers every few seconds so that the timecode matched real time.

Now that you have had a history lesson, the style of the timeoce has nuthing to to with the actual number of frames in a video or a timeline, Drop-frame timecode just drops couple of frame numbers every few seconds so the display is accuirate to the nearest frame.

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