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

Just checked and it does work but the center duration calculation is not correct but the 30DF Sequence code is. GVG editors had a similar inaccuracy when calculating durations with NDF time code. I can remember totaling up act durations for a show that was done NDF SD then dubbed to DF for delivery. The durations were of in GVG but correct when using a time code calculator. Seemed they didn't do anything but about the additional frames in NDF when they did their duration math. Took me 10 years of almost never mastering in NDF to find this out.

--- In Avid-L2@yahoogroups.com, "johnrobmoore" <bigfish@...> wrote:
>
> 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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> > KEN
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> > [Non-text portions of this message have been removed]
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>

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