In addition to explaining the tools and basic theory behind transparency, the course covers several practical applications for these techniques, including isolating objects, creating vignettes, and filling text with visual texture. Tutorials on crafting custom transitions and other treatments are also included. Exercise files for After Effects CS4 through CC accompany the course. The After Effects Apprentice series was created by Trish and Chris Meyer. The tutorials are designed to be used independently and as a companion to their book After Effects Apprentice.

Topics include:
* Creating masks using parametric shapes or freeform with the Pen tool
* Editing and animating masks
* Combining multiple masks
* Using one layer to define the transparency of others
* Explaining the interaction between effects, masks, and mattes
* Mastering mask animation

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