What
is image bit depth and how might it affect my use of images?
How
can sharing my questions with others lead to simple solutions?
What
changes, when we look at problems from a different perspective? A question
introduced to me earlier this week in a lecture by Professor Jack
Horner, the 2014 keynote speaker for the Ruth Harris Lecture in
Dyslexia Studies.
I’ve
been editing a project in Adobe Premiere CC and at the end of the video, I want
to place a VCU branding image that includes a tag line. Branding, as we all
know is important and institutions often have specific requirements as to what
and how files may be used. Following the rules, I went to the university’s
branding site (which, has restricted access) and downloaded the appropriate
folder of images as a .zip file and then extracted the individual .jpg images.
Having used .jpg images throughout my work without any issues, I proceeded to
drag the file into the Premiere project. But wait! A statement appeared
informing me that the bit depth of the .jpg file is not supported in Adobe
Premiere. This puts my following actions into the category of insanity as defined by
Einstein,
Franklin or someone: “Insanity:
doing the same thing over and over again and expecting different results.”
I dragged the file into the editor
again (repeatedly) and still got he same message. I then “imported” the file to
see if “import” worked differently than “drag” in the editor. Again, I got the
same message. Hummm… does this mean that I inadvertently selected bit depth
settings in my Premiere project that are smaller than my .jpg file? Pondering
this, I asked Alana Robinson to confirm my
actions for file access and to try importing a .jpg file. Once more - the same
result. But Alana immediately searched the problem online and found that
Premiere does not support 16 bit or 32 bit images. Viola! She brilliantly came
up with another solution: “try a different file type.” And there it was, in a
matter of seconds, she changed the file to a file.eps and dropped it into
the editor like it had been coated with grease. Thanks, Alana for looking at
the problem from another perspective and for teaching me not only how to get an
image into Premier, but to think critically and experiment in the process.
A few questions (or resources) you
might like to investigate:
What is image bit depth in an image? http://www.cambridgeincolour.com/tutorials/bit-depth.htm
What is an Encapsulated PostScript
file?
How can I find out the bit depth of an
image? One way is to look at Extensible Image File Format information (EXIF)
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