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gamut errors, what gives?
I have posted this in broadcast video but this also relates to AE.
Ok, heres the thing,
I have supplied probably over 50 tvcs in the last couple of years for a particular client for broadcast. They are graphical tvcs all made in After Effects. Very quick to do and I deliver to a company via FTP who farm out the tvc to the stations that the agency have booked with.
I have used the same process from the beginning and never been rejected once. My trick for legal colours is an adjustment layer with levels filter and pulling in the outputs by a few 5 or so points.
All good. Works a charm, everyone is happy. I have seen this on scopes in the past and that trick works.
Now out of the blue I get a rejection on two tvcs saying they have gamut errors on the last frame.
The thing is in these tvcs are part of a batch of ten all with the same end frame. But two have errors.
So what gives??
What is a gamut error exactly? This is not a chroma luminance issue is it?How do I fix it? Particularly as it has not shown up on previous tvcs with the same frame.
Any ideas are much appreciated.
TECH DETAILS
Using AE 7
OSX 10.4.11
Encoding to h264 codec (best) as recommended by company receiving TVCs for broadcast.thankyou…..
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1 Reply
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Well, I can tell you that gamut refers to a range of colors in an image, generally the range of legal colors.
https://en.wikipedia.org/wiki/Gamut
Sorry if I can’t give any more detailed help, I don’t know the specifics of the problem.
Darby Edelen
Designer
Left Coast Digital
Santa Cruz, CA
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