[Avid-L2] Re: Fw: Drop Frame show length PERPLEXED

So to get an accurate running time on an Avid Symphony etc... you should check the timeline in the 30DF time code mode while in a 23.98psf project. I would assume that would give you an accurate running time. Does this seem correct?

--- In Avid-L2@yahoogroups.com, "Ken Sirulnick" <kenavid2@...> wrote:
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> So I online a 1080psf 23.98 film. Total running time is 56:46. Output to HDCam SR. Captured back into DS at 1080i 59.94. SRW5500 FC set to 1080i 59.94. Cut into a Drop Frame 1080i 59.94 timeline on DS. Running time is now 56:49:14. If I display the DS timeline as NDF, the running time is indeed 56:46. This makes no sense to me and seems backwards. A 23.98 running time of 56:46 should be the same as a 59.94 Drop Frame timeline (pulldown added in the deck). the NDF timeline should be the longer one. Well, I had originally posted this on another list and then did some more research. It was explained to me by someone that a 23.98 timeline is actually not real time accurate. By default, a 23.98 timeline is NDF, however, it is actually counting real time in Drop Frame, which means a 23.98 timeline timing out to 1 hour even, or in my case 56:46, is actually 3 sec 14 frames long. In over 22 years in this business, I always figured 23.98 was correctly timed at NDF. It makes sense, I suppose because of the missing .02 frames, but I just never thought about it.
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