optical digital disc
21Digital video — For other uses, see Digital video (disambiguation). Digital video is a type of digital recording system that works by using a digital rather than an analog video signal. The terms camera, video camera, and camcorder are used interchangeably in… …
22Optical disc packaging — Main article: Optical disc Optical disc packaging is the packaging that accompanies CDs, DVDs, and other formats of optical media. Most packaging is rigid or semi rigid and designed to protect the media from scratches and other types of exposure… …
23Digital-S — D 9 Videotape D 9 Videotape digital video videocassette format created by JVC in 1995. It is a direct competitor to Digital Betacam. Its name was changed to D 9 in 1999 by the SMPTE.[1] It is used mostly inside Europe and Asia, though has seen… …
24Digital Compact Cassette — For other uses, see DCC (disambiguation). Digital Compact Cassette Media type Magnetic tape Encoding Precision Adaptive Sub band Coding (MPEG 1 Audio Layer I) …
25optical storage — ▪ technology electronic storage medium that uses low power laser beams to record and retrieve digital (binary) data. In optical storage technology, a laser beam encodes digital data onto an optical, or laser, disk in the form of tiny pits… …
26Optical tape — Cinema film stock showing two digital audio formats (Blue:SDDS, Grey:DD) plus the traditional analog audio tracks. While not strictly an optical tape format, it is very similar. Optical tape is a medium for optical storage generally consisting of …
27Digital Video Broadcasting — Official DVB logo, found on compliant devices List of digital television broadcast standards …
28digital sound recording — method of preserving sound in which audio signals are transformed into a series of pulses that correspond to patterns of binary digits (i.e., 0 s and 1 s) and are recorded as such on the surface of a magnetic tape or optical disc. A digital …
29Digital Terrestrial Multimedia Broadcast — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB C ( …
30Optical mouse — A wireless optical mouse An optical computer mouse or optic mouse uses a light emitting diode and photodiodes to detect movement relative to a surface, unlike a mechanical mouse which has a ball which rotates orthogonal shafts which drive chopper …
