AE口型动画制作教程 Pluralsight – After Effects CC Animating Lip Sync在AE中利用表达式和控制器将导入的音频和口型绑定，制作口型说话动画。

In this course, After Effects CC Animating Lip Sync, you’ll learn how to use audio to drive the animation of your lip sync. First, you’ll learn about expressions and expression controls. Next, you’ll explore if/else statements to help open and close the mouth automatically in response to the audio. Finally, you’ll dive into interpolation methods and how to remap the audio amplitude to animate the layer properties. By the end of this course, you’ll not only know how to build a lip sync rig from scratch in After Effects, but you’ll also know how to use audio to drive just about any time of animation you can think of