Although movie and game producers can now create computer-animated images of just about anything, the sounds made by those onscreen items still typically consist of recordings of real-world objects.

PowerPoint animation effects come in four forms. Entrance effects bring objects onto the slide. Emphasis effects highlight objects currently on the slide. Motion paths move objects from one part of ...

Researchers have developed new techniques for computing blur much more efficiently. The result could be more convincing video games and frames of digital video that take minutes rather than hours to ...