Specifications

ptg
230
Introducing Color Correction
Practice Your Skills
1. Click the triangle to the left of the Chapter Exercise Material folder to
expand it, if necessary.
2. Click the triangle to the left of the Chapter 8 folder. You will use this
folder for the exercises in this chapter. It includes one bin: Color
Correction sequence.
3. Open the bin, and load the “Color Correction sequence Part 1” sequence.
Place the position indicator on the first segment, “Rehearsal CC.”
4. Select Toolsets > Color Correction to enter Color Correction mode.
5. From the menu on the left monitor, select the Y Waveform.
6. Briefly analyze luma problems in the footage, looking at both the image
and the Y Waveform monitor. Try to predict what an automatic color
correction adjustment might do to correct these luma problems so that
you can measure its level of success.
7. Click the Auto Contrast button.
8. Look at both the image and the Y Waveform. Did everything change as
you expected? If necessary, tweak the setup, gain, and gamma values
using the manual controls.
9. Click the Dual Split button to look at the “before and after” compari-
son. Did the automatic luma correction do what you suspected?
10. Now, from the menu on the left monitor, select the RGB Parade monitor.
11. Again, briefly analyze the problems in the footage regarding any
existing color casts. Make sure to look at the black and white values
because they represent the true neutral areas that the Color Correction
tool changes when neutralizing a color cast. How would you predict
that an automatic color correction would fix the problem?
12. Click the Auto Balance button.
13. Look at both the image and the RGB Parade monitor. Did everything
adjust as expected? If necessary, use the ChromaWheels to tweak any
existing color casts in the black and white values.
14. Click the Dual Split button again to look at the updated “before and
after” comparison. Do you see any additional adjustments that might be
performed? If so, make those adjustments using the manual controls.
15. Repeat steps 5–14 on the remaining three segments in the Timeline.
NOTE At least one
of these images will
not respond well to an
automatic color correc-
tion. See whether you
can determine why it
adjusts as it does, and
also try to figure out how
you could correct the
problem manually.
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