Before computer animation, how did animators on pencil and paper lip sync the characters with the recorded dialogue?

Question

Before computer animation, how did animators on pencil and paper lip sync the characters with the recorded dialogue?

In: Technology

Answer 1

Often there’s a plan for the animation to tell the story of the script. But the dialogue was generally recorded first and then the animators could match the dialogue and emotion of delivery. The lip movement is a little vague but there are mouth shapes for certain sounds that make it seem matched. A scene might be redone or the audio could be recorded if something really needs to change though so the process could be more of a loop. It’s still fairly similar to computer animation