| A | B |
|---|
| Animated GIF | A graphic with animation or movement. Created by showing several drawings quickly, one right after the other, creating the illusion of movement. |
| Aspect ratio | Proportions of graphics. |
| Authoring software | Programs used to create full, multimedia productions, such as simulations and tutorials. |
| AVI | Windows format for saving video with sound. |
| Bitmap | Windows format for storing simple graphics. |
| CODEC | Program/device that compresses and decompresses digital video. |
| Color Palette | Available color selections, ranging from 16 colors to 16.7 million. |
| Digitalization | Progress of converting video or audio signals, normally in waveform, into 1’s and 0’s. |
| Dithering | Blending colors to modify colors or produce new ones. |
| Dropped frames | In digital video, when the computer cannot keep pace with the displayed images, it does this in an attempt to catch up. |
| Frame | A single picture in a computerized movie. |
| FPS | Number of picture images displayed per second, giving digital video the illusion of motion. |
| GIF | A graphics file format originated by Compuserve, usable for web pages and some multimedia software. |
| JPEG | A graphics format capable of representing up to 16.7 million colors that is ideal for complex pictures of natural, real world scenes, including photographs, realist artwork, and paintings. |
| MIDI File | A file containing musical data encoded according to Musical Instrument Digital Interface specifications. |
| MPEG Video | A format for the compression of digitized videos and animations developed by the Moving Pictures Expert Group. |
| MPEG 1 | “postage stamp” resolution 352X240. |
| MPEG 2 | “broadcast quality” resolution, 720X480 w/ CD quality sound |
| MPEG 3 | High Definition Television |
| Quicktime | A cross-platform real-time video and multimedia data format developed by Apple Computer. |
