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Video Levels 101

This section might be the most technical part of the book. It's geared toward people using a waveform monitor and vectorscope (as described in the preceding section). Even if you do not have one, you will still probably benefit from reading the following sections. Video has certain basic properties that make it look the way it does. These standards help keep the images we see (especially those being broadcast) consistent and of the highest quality. A number of test patterns are available to make sure your equipment is properly calibrated. These signals are used to “line up” all the various components and keep the signal quality and image consistent throughout the entire production process.

note

Many of the properties that are described next are controlled independently, yet they can be affected by adjusting one or more of the other settings.



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