Re: iMovie color management
Re: iMovie color management
- Subject: Re: iMovie color management
- From: Tyler Boley <email@hidden>
- Date: Mon, 27 Oct 2014 17:46:24 -0700
given the amount if vid presentations that must use still content, I'm
surprised there doesn't seem to be more info about this. The codec you
mention doesn't seem to be available for imovie, however I did find some
posts that FCP seemed to have less of this problem. On the other hand,
your attention to night images and use in FCP may undermine that
conclusion. Any image approaching that kind of tonality here is getting
hammered. I've tried a variety of export codecs with little difference.
I found some speculation that the hammering takes place at import, but
little about how to change that result, and there aren't that many
options for tiff preparation anyway, a tiff is a tiff. SOme suggested
placing content in the event folder manually, but imovie events don't
recognixe tiffs. My conclusion is also that it's not a color management
issue, given the same result no matter what space and tagging is used. I
found one suggestion that old versions of imovie may not have this
problem, I'll try to check that out next. This project doesn't justify
an FCPX purchase...
So I guess this may be OT for this forum, but I can't find much elsewhere.
Thanks,
T
Scott Martin wrote:
Hi Tyler, I’ve been doing some similar testing with a project I’ve
been building in Final Cut Pro X. I work primarily with night
photography so as you can imagine, I’m quite sensitive to the tonal
degradation we typically see in the shadows in video.
I’m not sure what options you have in iMovie but, FWIW, I’ve
discovered that the color space is of little consequence, but the
format is paramount. If I maser video in the PreRes 422HQ format (or
higher) then there’s no visible degradation. PreRes 422 and lower,
including the notable H264 format use compression that’s pretty
terrible on the shadows and since most delivery methods require H264
(like Vimeo and YouTube) we’re really limited. I’m hoping that H265
will improve the quality here. In the meantime, I’m exploring using
media players that allow playback from H265 and uncompressed formats.
Again, I’m not sure if this helps you with iMovie but hopefully this
sheds some light - it’s the compression format we need to focus on -
not the color space.
Scott Martin
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*www.martinphoto.com <http://www.martinphoto.com>*
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On Oct 27, 2014, at 5:02 PM, Tyler Boley <email@hidden
<mailto:email@hidden>> wrote:
I'm creating a variety of short movies featuring photography stills
in iMovie, I need the transition and Ken Burn's cropping tools. I've
tried a variety of import methods (tagged tiffs), including
pre-converting all files to HDTV, sRGB, GenericRGB, etc, and iMovie
totally hammers near blacks with loss of continuity and bad color
crossovers. I've also tried various export methods, to no avail.
Problems are most obvious with B&W imagery but close inspection of
color reveals the same problems.
Is it simply impossible to do this well with iMovie, or are there
some techniques I need to use? I've googled about this a lot, seems
to be a commom problem...
Thanks,
Tyler
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