and not in the actual frames themselves. My analogy is that drop frame
time code is like a skyscraper hotel where there's never a 13th floor.
Of course floor 14 is ACTUALLY the 13th floor, but they named it 14.
That obviously doesn't mean that there's a one floor hole in the
skyscraper, or that just because you have a penthouse on the 21st
floor, you're not REALLY only on the 20th floor.
To know if you have a 30 second spot in a df sequence in Avid, you
just have to mark the beginning and the end of the spot and look at
the duration, really. Nothing else matters in df, because df is
designed so that the REAL time matches the TC time. In ndf tc, the
timecode time is actually about 3 seconds LONGER than real time on an
hour long show, but that has no relevance to a 30 second spot.
I think things are changing in the broadcast world - not about the
nature of timecode, but about the length that "30" means. I think if
anything broadcasters are shortening the real length of spots, so I
can't believe you'd want to go all the way to ;02, just because that
means you have a 30;01 spot since the ;02 at the beginning is an
inclusive time (inclusive of the frame at ;02) and so is the ;02 frame
at the end. I think that some broadcasters are trying to get
advertisers to deliver at 29 seconds now instead of 30. I've never
actually delivered a 29 second spot, but I swear I heard something
like that recently. I usually try to bring spots in either exactly at
30 or 2-6 frames under.
In 30 seconds there really aren't any dropped frames - I guess there
are, depending on where you actually have the in and out point, but in
your case the frame has been dropped PRIOR to starting the spot,
because it dropped the frame just prior to your in-point, which is why
you can't mark an in at the "real" top of the hour or minute (;00).
That being said, I think I've mentioned on here that I had an old
client that told me he wanted his spots to all be 31 seconds long so
that they are intentionally cut off at the end. I'd do what your
client says to do. It's their call if they want that extra frame or
two. Personally, I'd end it at ;29 or ;28.)
So the only thing that actually matters is the actual duration of your
edit, not the start or stop time.
On Oct 21, 2009, at 9:35 AM, Rick wrote:
> After a billion years in the business I'm being told that when I
> layback a thirty second spot on a dropframe tape and it starts at
> 1:00:00;02 it should end at 1:00:30;02 and not at 30:00. This goes
> against everything I was taught way back yonder in the 2" to 1"
> transition days.
>
> So, was I told wrong back then, or now? This is the first time I've
> had someone say it should end on 02. Wouldn't that then be defeating
> the purpose of dropping frames?
>
> Rick Emery
> www.rickemery.com
>
> [Non-text portions of this message have been removed]
>
>
>
[Non-text portions of this message have been removed]
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