digital multiplexing
1Digital multiplex hierarchy — In telecommunications, a digital multiplex hierarchy is a hierarchy consisting of an ordered repetition of tandem digital multiplexers that produce signals of successively higher data rates at each level of the hierarchy. Digital multiplexing… …
2Digital television transition — The digital television transition is the process in which analog television broadcasting is converted to and replaced by digital television. This primarily involves both TV stations and over the air viewers; however it also involves content… …
3Digital 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… …
4Digital Signal 1 — (DS1, sometimes DS 1) is a T carrier signaling scheme devised by Bell Labs.[1] DS1 is a widely used standard in telecommunications in North America and Japan to transmit voice and data between devices. E1 is used in place of T1 outside North… …
5Digital holography — is the technology of acquiring and processing holographic measurement data, typically via a CCD camera or a similar device. In particular, this includes the numerical reconstruction of object data from the recorded measurement data, in… …
6Digital communications — refers to the transmission of a sequence of digital messages (a bit stream) or a digitized analog signal. This is in contrast to analog communications. While analog communications represents a continuously varying signal by a continously varying… …
7Digital radio — has several meanings: 1. Today the most common meaning is digital radio broadcasting technologies, such as the digital audio broadcasting (DAB) system, also known as Eureka 147. In these systems, the analog audio signal is digitized into zeros… …
8Digital 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 …
9Digital telephony — is the use of digital electronics in the provision of digital telephone services and systems. Since the 1960s a digital core network has almost entirely replaced the old analog system, and much of the access network has also been digitized.… …
10Digital Signal Designation — is the classification of digital bit rates in the digital multiplex hierarchy used in transport of signals from one location to another in telecommunications. Contents 1 Digital signal line rates 1.1 North America 1.2 Europe …
