digital data transmission system
31Digital delay generator — A digital delay generator is a piece of electronic test equipment that provides precise delays for triggering, syncing, delaying and gating events. These generators are used in many types of experiments, controls and processes where electronic… …
32Digital image — A digital image is a numeric representation (normally binary) of a two dimensional image. Depending on whether or not the image resolution is fixed, it may be of vector or raster type. Without qualifications, the term digital image usually refers …
33Digital subchannel — In broadcasting, digital subchannels are a means to transmit more than one independent program at the same time from the same digital radio or digital television station on the same radio frequency channel. This is done by using data compression… …
34Digital recording — Audio levels display on a digital audio recorder (Zoom H4n) In digital recording, digital audio and digital video is directly recorded to a storage device as a stream of discrete numbers, representing the changes in air pressure (sound) for audio …
35Digital channel election — A digital channel election was the process by which television stations in the United States chose which physical radio frequency TV channel they would permanently use after the analog shutdown in 2009. The process was managed and mandated by the …
36Data link — This article is about a telecommunication term. For the American data storage company, see Datalink Corporation. For the Open System Interconnection model second layer, see Data link layer. In telecommunication a data link is the means of… …
37Digital call quality — The term digital call quality had entered into popular English language in the late 20th century at a time of increasing popularity of GSM mobile (cell) phones ( 2G ) replacing the preceding analogue system. The popular meaning of the phrase is… …
38Digital Radio Mondiale — (abbreviated DRM; mondiale being Italian and French for worldwide ) is a set of digital audio broadcasting technologies designed to work over the bands currently used for AM broadcasting, particularly shortwave. DRM can fit more channels than AM …
39Digital rights management — (DRM) is a term for access control technologies that are used by hardware manufacturers, publishers, copyright holders and individuals to limit the use of digital content and devices. The term is used to describe any technology that inhibits uses …
40Digital terrestrial television in the United Kingdom — encompasses over 100 television, radio and interactive services broadcast via the UK s terrestrial television network and receivable with a standard television aerial. The majority of services, including those from the existing five analogue… …
