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Posted by Toby on 10/02/24 11:39
"peter" <nospam@nospam.com> wrote in message
news:jfTGf.12156$j07.6255@trnddc04...
>I shot a sing and dance show along with a professional videographer who was
>invited by the producer as a favor. Since it was going to be mulit-cam
>editing, I kept my camera rolling until I switch tape for ease of
>synchronization. I also told my other amateur friends to keep their cam
>rolling but it didn't occur to me I need to ask the same of the
>professional. In the end, the professional started and stopped his camera
>several times per tape (minDV).
>
> Now I'm the editor and I'm tearing my hair out trying to cut and
> synchronize his video clips to the other clips. This is a very manual job;
> I have to look for fast movement/sound or camera flash in the show and use
> this to line up the different clips. Finding the "fast movement" is not
> always easy. Perhaps next time I would bring my own camera flash and fire
> it every 5 minutes... (just kidding).
>
> Is there perhaps some way to sync the clips automatically that I'm not
> aware of? Maybe there is real-time code imprinted on his tape that keeps
> running even when he stops the cam?
I don't think that you can do free-run or TOD timecode on miniDV cams (none
that I know). In the end, the easiest way might be to identify how many time
code breaks you have on his tape and find the time differential between each
and the continuous time code on whichever of the amateur tapes you are using
as the master.
So let's say he has five breaks on his tape. Line up the material before the
first break with your material and find out the time-code differential. If
you are at 00:00:00:00 and he is at 02:12:53:15, clearly you have to add
whatever time is on your tape to 02:12:53:15 to sync. That 02:12:53:15 is
the differential, which has to be added to your TC number to derive his
matching TC numbered frame.
Later he stops and restarts--the first TC break. Now you find a good clear
moment visually (flash or whatever) and you compare time codes again after
the break . Maybe you are now at 00:35:22:20 and he reads 02:55:17:19.
Before the break the differential was 02:12:53:15 (his time code minus
yours), now the differential is 02:19:54:29 (his new after-break time code
minus yours). During this segment--before his next TC break--just add the
differential to your time code to come up with his time code. Repeat this
procedure for each break and add the differential to your time code to
match.
Hopefully he didn't stop too many times. If his number is lower than yours
you'll end up with a minus number as the differential, so in essence you
would have to subtract the differential.
Hope that makes sense. It's a pain, but not as much of a pain as trying to
match shots visually or audially. Avid has a time code calculator built in
for this kind of thing--perhaps your NLE does as well. That makes it
somewhat easier.
Toby
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