The Healthy Edit, 2nd Edition

Glossary

3/2 PULLDOWN A process of reconciling the difference between film rate and video rate. When film that runs at 24 fps is transferred to interlaced video running at 30 fps, it becomes necessary to compensate for the additional six frames. This is accomplished by inserting an extra field to every other frame. With the increasing popularity of 24 fps progressive video, this requirement is disappearing.

3D Any stereoscopic projection system that produces a three-dimensional effect for the audience. Utilizing the manner in which humans perceive depth through the comparison between information perceived by two eyes, 3D processes equip cameras with double lenses, slightly offset to mimic the different angle from which two eyes perceive objects. ...