17 Sep
2017
17 Sep
'17
9:35 p.m.
As Carsten said.
SMPTE 30 fps, and most probably DCP-o-matic already guessed the proper
scale to 16:9.
The 16:9 container can be problematic in the real world. The option is even
removed in the most recent versions of DCP-o-matic.
The black bars are actually a confirmation that your source file is encoded
and will be projected pixel to pixel to the original.
As Carsten says, this is normal, and in many venues you wont even be able
to see that black. And festival venues may even be ready for 1080 content!
All kind of festivals out there...
For the sound you can try to make sure that it was mixed for cinema (-20db
reference). The projectionist will be really thankful, and your film will
sound exactly as you expect it to.
Manuel AC
On Sun, Sep 17, 2017 at 4:41 PM, Carsten Kurz via DCPomatic <
dcpomatic(a)carlh.net> wrote:
There is no clean way to convert 30fps to 24fps. As such, you will
probably need to stay with 30fps, and create a SMPTE DCP. I guess you are
pretty safe with a 30fps DCP, most systems should be able to play it.
I guess your footage is in 1920/1080 without any inherent letterboxing,
that is, 16:9 full frame?
I would suggest you scale to 16:9/1.78, and choose a flat container. You
will have some black bars left and right that way, but you will have them
in anyway in typical cinemas since, even when you play a 16:9 container,
the black bars will be there. No big deal. You could do a full frame scale
to flat, but that will crop away some image from top and bottom.
Cinema presentation is special. Depending on the specifics of the venue
your film is presented at, you will either see these issues, or not.
Depends on projector type, masking, etc.
- Carsten
Am 17.09.2017 um 21:59 schrieb Joshua Achatz via DCPomatic:
--
http://akadcp.com/
https://www.facebook.com/akadcp
Hi Carl,
I am using the DCP-omatic to convert my film for a festival. I'm having
a bit
of trouble and hope you can help me.
It was shot in 30fps, but the programs says that is an unusual frame
rate. Should
I change it to 24, and if so, do I just change it under the
DCP tab? I want to make sure the video quality won't be compromised. But it
sounds like it's okay to leave it at 30, from what I've heard.
The program is also advising that I create an SMPTE DCP instead of an
interop,
because of the frame-rate. What is the difference? Should I do
that?
Also, under the DCP tab, I set the container to 16:9, but the program is
saying if
possible to put it in scope or flat, but those aren't the right
size of my film, and leave those black edges on the sides of the picture.
Please help me if you could. I've been working on this for a few days,
and
have to complete it soon for it to show in the festival.
Thank you!
Josh
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