Video Display Standards

ATSC

ATSC coexists with the more widely used DVB standards, and ISDB being implemented in Japan. The system includes the capability to carry PAL- and SECAM-format video (576 displayable lines, 50 fields per second) along with NTSC (480 displayable lines, 60 fields per second) and film (24 frames per second). Broadcasters who use ATSC and must retain an analog signal have to broadcast on two separate channels, as the ATSC system requires use of an entire six megahertz channel. The system has been criticized as being complicated and expensive to implement and use. Many aspects of ATSC are patented, including the AC-3 audio coding, and the VSB modulation. The standards ATSC depends on are often ambiguous, one example would be the EIA-708 standard for closed captioning.

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DVB

DVB, short for Digital Video Broadcasting, is a suite of internationally accepted, open standards for digital television maintained by the DVB Project, an industry consortium with more than 270 members, and published by a Joint Technical Committee (JTC) of European Telecommunications Standards Institute (ETSI), European Committee for Electro technical Standardization (CENELEC) and European Broadcasting Union (EBU). The standards can be obtained for free at the ETSI website after registration.

Integrated Services Digital Broadcasting

Integrated Services Digital Broadcasting (ISDB) is the digital television (DTV) and digital audio broadcasting (DAB) format that Japan has created to allow radio and television stations there to convert to digital.

Multiplexed Analogue Components

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Multiplexed Analogue Components (MAC) is a satellite television transmission standard, originally proposed for use on a Europe-wide terrestrial HDTV system, although it was never used terrestrially. MAC transmits luminance and chrominance data separately in time rather than separately in frequency (as other analog television formats do, such as composite video). Audio was transmitted digitally rather than as an FM sub carrier.

D-MAC satellite broadcasts provided the first broadcast sourced widescreen television in Europe, and HD-MAC provided the first HDTV broadcasts, in 1992.

Multiple sub-nyquist sampling Encoding

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Multiple sub-nyquist sampling Encoding (MUSE) is the first HDTV compression and transmission system. It was designed by NHK's Transmission Research Section from the early 1970s till its unveiling in the late 1980s. It was marketed as "Hi-Vision" by NHK.

NTSC

NTSC is the analog television system in use in Korea, Japan, United States, Canada and certain other places, mostly in the Americas (see map). It is named for the National Television System's) Committee, the industry-wide standardization body that created it.

PAL

PAL, short for phase-alternating line, phase alternation by line or phase alternation line, is a colour encoding system used in broadcast television systems in large parts of the world. Other common analogue television systems are SECAM and NTSC. PAL was developed by Walter Bruch at Telefunken in Germany, and the format was first introduced in 1967.

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SÉCAM

SÉCAM (Séquentiel couleur avec mémoire, French for "sequential color with memory") is an analog color television system first used in France. A team led by Henri de France working at Compagnie Française de Télévision (later bought by Thomson) invented SÉCAM. It is, historically, the first European color television standard.

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