Apple Pro Training Series: Optimizing Your Final Cut Pro System: A Technical Guide to RealWorld PostProduction [Electronic resources]

Sean Cullen, Matthew Geller, Charles Roberts, Adam Wilt, Nancy Peterson

نسخه متنی -صفحه : 204/ 144
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Solving Luminance and Color Space Problems

777 #2: Black isn't a true black

Black level is too high

Set true black levels to 0 IRE; page 779

Luma and chroma clamping

#1: Footage dims

Illegal chroma levels

Keep luminance level below 100 IRE in sequences requiring RGB rendering; page 781- 784

Color space differences

#1: Banding and striping in rendered video frames

8-bit system can't match enough colors

Use a higher bit-depth codec in post-production; page 785

#2: Video output differs from onscreen view

Color space is more limited on the output device than on the computer monitor

View video on a video monitor as well as a computer monitor; page 787