CD Optical Storage Glossary of Computer Terms (Letter D)

DDE
Dynamic Data Exchange. A communication technique for Windows and OS/2. DDE Applications can send and receive data once a communication path is established.

Diffuse
To soften contrasting edges and fill areas of an image or object via random patterns. Also used to simulate colors outside the color pallet. see dithering

Digital
A system in which values are represented by a series of binary bits.

Digitizing
the process of encoding or converting images, sound, video and other data from analog or printed form to a digital format/specification. Examples: Scanning= Printed image to Digital Image file, video capture=analog video signal to still or motion digital file.

Dithering
The process of using patterns to simulate colors or gradients

DVI
digital video interactive. This is a compression format for recording digital video on a CD- ROM disk that provides up to 72 minutes of full motion video, or four hours of one-quarter screen full-motion video.