| A | B |
|---|
| aspect ratio | (height x width) proportions of graphics |
| authoring software | programs used to create documents utilizing point and click features but require some knowledge of the program (Ex. Macromedia Director, FrontPage) |
| AVI (Audio Video Interlaced) | Windows format for saving video with sound |
| bitmap (.bmp) | Windows format for storing simple graphics--can crate bitmaps with Paint program |
| CODEC | program/device that COmpresses and DECompresses digital video |
| color palette | available color selections, ranging from 16 colors to 16.7 million--color shifts can occur from program to program and from computer to computer |
| digital/digitalization/digitized | process of converting video or audio signals, normally in waveform, into 1's and 0's |
| FPS (frames per second) | frames per second--number of picture images displayed per second, giving digital video the illusion of motion (30 fps=tv quality |
| frame | a single picture in a computerized "movie" |
| GIF (Graphic Interchange Format) | a graphics file format originated by CompuServe, usable for web pages and some multimedia software |
| JPEG (Joing Photographic Experts Group) | a graphics format capable fo representing up to 16.7 million colors that is ideal for complex pictures of natural, real world scenes |
| MIDI file | a file containing musical data encoded according to Musical Instrument Digital Interface specifications (.mid) |
| 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 with CD quality |
| MPEG-3 | High Definition Television |
| QuickTime (.mov) | a cross-platform real-time video and multimedia data format developed by Apple Computer--QuickTime can include text, sound, video |
