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This topic comprises 3 pages: 1 2 3
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Author
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Topic: Subtitle Engine not processing 'C', 'K', 'Q', 'J', or 'F'
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Tom Lewin
Film Handler
Posts: 6
From: New York, NY USA
Registered: Jun 2011
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posted 02-15-2019 08:02 PM
I've got an odd issue that I'm trying to pin down.
House projector is an NEC NC3200S with an IMS 1000. NP-90MS01 Software ver 2.6.7-0 Firmware ver 4.6.6-0
We were sent a DCP for a special documentary screening that contained closed captions. For the actual screening we'll be bringing in a CaptiView, but client asked to test closed captions ahead of time, so I enabled Doremi's Subtitle Engine and have it set to process closed caption data if no subtitle content is detected. Lo and behold, it's not processing 'C', 'K', 'Q', 'J', or 'F' characters.
So for instance a caption should say, "IT HAD BECOME MORE THAN JUST A QUICK FIX" but is displayed as "IT HA EOME MORE THAN UST A UI IX."
Previously the server was a few revisions out of date, so Dolby just supplied me with the up-to-date versions above, but the issue is still there.
The house that made the DCP said they ran it with a CaptiView system in another venue and had no issues. They've also supplied an open caption version as a backup and informed me that the XML files used in the creation of both is identical, so the issue is likely with the server.
Does anyone have any ideas as to what else I can try to generate these captions correctly?
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Randy Stankey
Film God
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Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99
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posted 02-17-2019 04:09 PM
It sounds like a subsetting problem to me.
In some types of files, like graphics, the program only includes the characters of a font that are actually used. It's supposed to save file space.
It seems, to me, that font subsetting was used but the information about which characters are actually used got messed up and characters were thrown out that shouldn't have been.
Possibly, when the font was compressed/packaged, it was set up for only part of the program. One part (or parts) do not actually use those characters but, the rest of the program does. Then, somebody (accidentally) used that packaged font for the whole movie. Thus, when the movie plays and the left-out characters are needed, they don't display as they should.
Basically, when the movie was being packaged, I think somebody checked the "subset fonts" box in the software when they shouldn't have.
In this day and age, I don't know why anybody would use font subsetting, anymore. We have enough storage space. Bandwidth is good enough. The space saved by subsetting fonts would be a fraction of a percent, compared to the size of the entire movie file. (DCP package)
It's freakin' stupid! We're not talking about somebody working on a home or office computer. We're talking about a BUSINESS where things are supposed to work without problems, the first time, every time. In other words, "Mission Critical."
We're paying a LOT of money for movie projection equipment... Hundreds of thousands of dollars... even MILLIONS! It's all supposed to be mission critical operation.
What kind of a dain bramaged fool is going around clicking random options on a computer screen when they shouldn't?
Come to think... Why is the "font subset" option even still avaliable?
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