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compact disc

(Encyclopedia)compact disc (CD), a small plastic disc used for the storage of digital data. As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second, then each sampl...

CD, abbreviation for compact disc

(Encyclopedia)CD: see compact disc.

digital versatile disc

(Encyclopedia)digital versatile disc or digital video disc (DVD), a small plastic disc used for the storage of digital data. The successor media to the compact disc (CD), a DVD can have more than 100 times the stor...

CD-ROM

(Encyclopedia)CD-ROM: see compact disc.

laser disc

(Encyclopedia)laser disc: see videodisc.

slipped disc

(Encyclopedia)slipped disc, rupture or herniation of an intervertebral disc. These discs separate and cushion the vertebrae, the segments of the spinal column. They are composed of an outer rim of fibrous connectiv...

Mayflower Compact

(Encyclopedia)Mayflower Compact, in U.S. colonial history, an agreement providing for the temporary government of Plymouth Colony. The compact was signed (1620) on board the Mayflower by the adult male passengers; ...

stereophonic sound

(Encyclopedia)stereophonic sound, sound recorded simultaneously through two or more electronic channels. For live recordings, microphones are placed in different positions relative to the sound source. The recorded...

multimedia

(Encyclopedia)multimedia, in personal computing, software and applications that combine text, high-quality sound, two- and three-dimensional graphics, animation, photo images, and full-motion video. In order to wor...

Delaware River Basin Compact

(Encyclopedia)Delaware River Basin Compact dĕlˈəwâr, –wər [key], providing for the utilization and development of the water resources of the Delaware River basin. In 1961 the federal government and the state...