To further clarify, try this:
Create a DF timeline in DS, starting at 00:00. Mark an in at 00:00 and an out point at 10:00:00. You will get a duration readout of 10 minutes, but if you position your playback cursor at each even minute, you will see two "missing" frames (except at every 10th minute). That is a total of 18 "dropped" frames, but the timeline duration is still 10 minutes. Without the DF timecode (Non-Drop Frame), this segment would actually play out for 10 minutes and 18 frames, in real time.
See. Clear as mud, huh? It's just SO stupid that we have to deal with this in the U.S., but I guess that's just the way it is. You PAL guys and gals are lucky that way!
Ed at PMI
Pittsburgh, PA
USA
-----Original Message-----
From: owner-ds(at)Softimage.COM [mailto:owner-ds(at)Softimage.COM] On Behalf Of Curtis Nichols
Sent: Wednesday, December 14, 2005 12:35 AM
To: DS(at)Softimage.COM
Subject: Re: Please help ntsc durations!
Anthony,
Don't worry about how individual parts add up or
subtract out. That isn't how DF works. Drop Frame
gives accurate total running time for a continuous
roll. Once the frame counts are dropped across the
duration of the programme, everything will work out.
Keep the timeline set to DF, and follow the format.
--- Anthony Toy <anthony_toy(at)beyond.com.au> wrote:
> It contains 5 segments of black that are 25s each
> (using mark into out).
> The time line duration is 47:15:00 in length.
> However if I add up the program segments
> individually I get a duration that
> is 10 frames over.
> If I subtract the 5 segs of black I get a duration
> that is 14 frames over!
Curtis Nichols
Señor Editor
PCS Production Co.
Irving, Tx.
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