The EFX digital editing and effects environment integrates facilities
for nonlinear editing of digitized film, video, and audio with sophist
icated image-manipulating special effects. EFX offers an intuitive, vi
sual, direct-manipulation user interface for building multimedia compo
sitions. This front end, discussed here, is coupled with a powerful pa
rallelprocessing computer that computes the special effects and plays
back the uncompressed digitized film or video in real time.