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Digital television

Index Digital television

Digital television (DTV) is the transmission of television signals, including the sound channel, using digital encoding, in contrast to the earlier television technology, analog television, in which the video and audio are carried by analog signals. [1]

120 relations: Advanced Audio Coding, Analog signal, Analog television, Aspect ratio, Aspect ratio (image), ATSC standards, Bandwidth (signal processing), Barium, BBC News, Benton Foundation, Bit rate, Broadcast television systems, CableCARD, Cadmium, Carrier wave, Cathode ray tube, Channel capacity, Charity shop, Chromium, Cliff effect, Color television, Commercial broadcasting, Common Interface, Communication channel, Compression artifact, Computer monitor, Coupon-eligible converter box, Dangerous goods, Datacasting, Digital cable, Digital Millennium Copyright Act, Digital multimedia broadcasting, Digital Satellite Service, Digital signal, Digital subchannel, Digital subscriber line, Digital television transition, Digital Terrestrial Multimedia Broadcast, Digital terrestrial television, Digital Video Broadcasting, DirecTV, DTV radio, DVB-H, DVB-T, Electronic Industries Alliance, Electronic program guide, Encryption, General Instrument, Ghosting (television), H.262/MPEG-2 Part 2, ..., H.264/MPEG-4 AVC, HD Radio, High-definition television, High-definition video, Information technology, Interlaced video, IPTV, ISDB, ISDB-T International, ITV Digital, Jeffrey A. Hart, Landfill, Lead, Legislation, Megabit, Microwave, Milwaukee Journal Sentinel, Mobile device, Mobile phone, MPEG-2, Multicast, Multichannel Multipoint Distribution Service, Multichannel television sound, Multiple sub-Nyquist sampling encoding, Multiplex (television), National Datacast, Netflix, NHK, NTSC, Orthogonal frequency-division multiplexing, PAL, Pixel, Primetime Emmy Award, Proceedings of the IEEE, Program and System Information Protocol, Progressive scan, Radio, Radio spectrum, Radio station, Satellite television, Second-hand shop, Simulcast, Smart card, South Korea, Standard-definition television, Statistical time-division multiplexing, Streaming television, Structural similarity, Subwoofer, Technology, Tele-Communications Inc., Television, Television antenna, Television channel, Television show, Terrestrial television, Text to speech in digital television, The Detroit News, University of Texas at San Antonio, Video Multimethod Assessment Fusion, Video on demand, Visual Information Fidelity, WarnerMedia, WCSH, WIPO Copyright Treaty, 1080i, 16:9, 1seg, 720p, 8VSB. Expand index (70 more) »

Advanced Audio Coding

Advanced Audio Coding (AAC) is a proprietary audio coding standard for lossy digital audio compression.

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Analog signal

An analog signal is any continuous signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal.

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Analog television

Analog television or analogue television is the original television technology that uses analog signals to transmit video and audio.

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Aspect ratio

The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions.

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Aspect ratio (image)

The aspect ratio of an image describes the proportional relationship between its width and its height.

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ATSC standards

Advanced Television Systems Committee (ATSC) standards are a set of standards for digital television transmission over terrestrial, cable, and satellite networks.

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Bandwidth (signal processing)

Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.

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Barium

Barium is a chemical element with symbol Ba and atomic number 56.

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BBC News

BBC News is an operational business division of the British Broadcasting Corporation (BBC) responsible for the gathering and broadcasting of news and current affairs.

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Benton Foundation

The Benton Foundation is a nonprofit organization set up by former U.S. Senator William Benton and his wife, Helen Hemingway Benton.

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Bit rate

In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.

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Broadcast television systems

Broadcast television systems are encoding or formatting standards for the transmission and reception of terrestrial television signals.

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CableCARD

CableCARD is a special-use PC Card device that allows consumers in the United States to view and record digital cable television channels on digital video recorders, personal computers and television sets on equipment such as a set-top box not provided by a cable television company.

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Cadmium

Cadmium is a chemical element with symbol Cd and atomic number 48.

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Carrier wave

In telecommunications, a carrier wave, carrier signal, or just carrier, is a waveform (usually sinusoidal) that is modulated (modified) with an input signal for the purpose of conveying information.

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Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.

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Channel capacity

Channel capacity, in electrical engineering, computer science and information theory, is the tight upper bound on the rate at which information can be reliably transmitted over a communication channel.

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Charity shop

A charity shop or thrift shop is a retail establishment run by a charitable organization to raise money.

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Chromium

Chromium is a chemical element with symbol Cr and atomic number 24.

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Cliff effect

In telecommunications, the (digital) cliff effect or brickwall effect is a sudden loss of digital signal reception.

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Color television

Color/Colour television is a television transmission technology that includes information on the color of the picture, so the video image can be displayed in color on the television set.

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Commercial broadcasting

Commercial broadcasting (also called private broadcasting) is the broadcasting of television programs and radio programming by privately owned corporate media, as opposed to state sponsorship.

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Common Interface

In Digital Video Broadcasting, the Common Interface (also called DVB-CI) is a technology which allows decryption of pay TV channels.

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Communication channel

A communication channel or simply channel refers either to a physical transmission medium such as a wire, or to a logical connection over a multiplexed medium such as a radio channel in telecommunications and computer networking.

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Compression artifact

A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression.

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Computer monitor

A computer monitor is an output device which displays information in pictorial form.

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Coupon-eligible converter box

A coupon-eligible converter box (CECB) was a digital television adapter that met eligibility specifications for subsidy "coupons" from the United States government.

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Dangerous goods

Dangerous goods or hazardous goods are solids, liquids, or gases that can harm people, other living organisms, property, or the environment.

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Datacasting

Datacasting (data broadcasting) is the broadcasting of data over a wide area via radio waves.

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Digital cable

Digital cable is any type of cable television distribution using digital video compression for distribution.

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Digital Millennium Copyright Act

The Digital Millennium Copyright Act (DMCA) is a United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO).

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Digital multimedia broadcasting

Digital multimedia broadcasting (DMB) is a digital radio transmission technology developed in South Korea as part of the national IT project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems.

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Digital Satellite Service

Digital Satellite System is the initialism expansion of the DSS digital satellite television transmission system used by DirecTV.

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Digital signal

A digital signal is a signal that is being used to represent data as a sequence of discrete values; at any given time it can only take on one of a finite number of values.

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Digital subchannel

In broadcasting, digital subchannels are a method of transmitting more than one independent program stream simultaneously from the same digital radio or television station on the same radio frequency channel.

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Digital subscriber line

Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines.

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Digital television transition

The digital television transition, also called the digital switchover, the analog switch-off (ASO), or the analog shutdown, is the process in which older analog television broadcasting is converted to and replaced by digital television.

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Digital Terrestrial Multimedia Broadcast

DTMB (Digital Terrestrial Multimedia Broadcast) is the TV standard for mobile and fixed terminals used in the People's Republic of China, Cuba, Hong Kong, and Macau.

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Digital terrestrial television

Digital terrestrial television (DTTV or DTT) is a technology for broadcast television in which land-based (terrestrial) television stations broadcast television content by radio waves to televisions in consumers' residences in a digital format.

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Digital Video Broadcasting

Digital Video Broadcasting (DVB) is a set of internationally open standards for digital television.

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DirecTV

DirecTV (stylized as DIRECTV) is an American direct broadcast satellite service provider based in El Segundo, California and is a subsidiary of AT&T.

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DTV radio

Digital-television radio, DTV radio, or DTR describes the audio channels that are provided with a digital television service.

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DVB-H

DVB-H (Digital Video Broadcasting - Handheld) is one of three prevalent mobile TV formats.

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DVB-T

DVB-T is an abbreviation for "Digital Video Broadcasting — Terrestrial"; it is the DVB European-based consortium standard for the broadcast transmission of digital terrestrial television that was first published in 1997 and first broadcast in the UK in 1998.

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Electronic Industries Alliance

The Electronic Industries Alliance (EIA; until 1997 Electronic Industries Association) was a standards and trade organization composed as an alliance of trade associations for electronics manufacturers in the United States.

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Electronic program guide

Electronic program guides (EPGs) and interactive program guides (IPGs) are menu-based systems that provide users of television, radio and other media applications with continuously updated menus displaying broadcast programming (TV listings in the UK) or scheduling information for current and upcoming programming.

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Encryption

In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.

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General Instrument

General Instrument (GI) was an American electronics manufacturer based in Horsham, Pennsylvania, specializing in semiconductors and cable television equipment.

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Ghosting (television)

In television, a ghost is a replica of the transmitted image, offset in position, that is super-imposed on top of the main image.

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H.262/MPEG-2 Part 2

H.262 or MPEG-2 Part 2 (formally known as ITU-T Recommendation H.262 and ISO/IEC 13818-2, also known as MPEG-2 Video) is a video coding format developed and maintained jointly by ITU-T Video Coding Experts Group (VCEG) and ISO/IEC Moving Picture Experts Group (MPEG).

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H.264/MPEG-4 AVC

H.264 or MPEG-4 Part 10, Advanced Video Coding (MPEG-4 AVC) is a block-oriented motion-compensation-based video compression standard.

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HD Radio

HD Radio is a trademarked term for iBiquity's in-band on-channel (IBOC) digital radio technology used by AM and FM radio stations to transmit audio and data by using a digital signal embedded "on-frequency" immediately above and below a station's standard analog signal, providing the means to listen to the same program in either HD (digital radio with less noise) or as a standard broadcast (analog radio with standard sound quality).

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High-definition television

High-definition television (HDTV) is a television system providing an image resolution that is of substantially higher resolution than that of standard-definition television, either analog or digital.

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High-definition video

High-definition video is video of higher resolution and quality than standard-definition.

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Information technology

Information technology (IT) is the use of computers to store, retrieve, transmit, and manipulate data, or information, often in the context of a business or other enterprise.

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Interlaced video

Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.

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IPTV

Internet Protocol television (IPTV) is the delivery of television content over Internet Protocol (IP) networks.

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ISDB

The Integrated Services Digital Broadcasting (ISDB) (Japanese:, Tōgō dejitaru hōsō sābisu) is a Japanese standard for digital television (DTV) and digital radio used by the country's radio and television networks.

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ISDB-T International

ISDB-T International, ISDB-Tb or SBTVD, short for Sistema Brasileiro de Televisão Digital (Brazilian Digital Television System), is a technical standard for digital television broadcast used in Brazil, Botswana, Peru, Argentina, Chile, Honduras, Venezuela, Ecuador, Costa Rica, Paraguay, Philippines, Bolivia, Nicaragua, El Salvador and Uruguay, based on the Japanese ISDB-T standard.

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ITV Digital

ITV Digital was a British digital terrestrial television broadcaster which launched a pay-TV service on the world's first digital terrestrial television network.

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Jeffrey A. Hart

Jeffrey A. Hart (born December 29, 1947) is professor of Political Science at Indiana University, Bloomington, whose research deals mainly with international politics and International Political Economy.

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Landfill

A landfill site (also known as a tip, dump, rubbish dump, garbage dump or dumping ground and historically as a midden) is a site for the disposal of waste materials by burial.

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Lead

Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.

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Legislation

Legislation (or "statutory law") is law which has been promulgated (or "enacted") by a legislature or other governing body or the process of making it.

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Megabit

The megabit is a multiple of the unit bit for digital information.

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Microwave

Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.

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Milwaukee Journal Sentinel

The Milwaukee Journal Sentinel is a daily morning broadsheet printed in Milwaukee, Wisconsin.

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Mobile device

A mobile device (or handheld computer) is a computing device small enough to hold and operate in the hand.

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Mobile phone

A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.

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MPEG-2

MPEG-2 (a.k.a. H.222/H.262 as defined by the ITU) is a standard for "the generic coding of moving pictures and associated audio information".

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Multicast

In computer networking, multicast is group communication where data transmission is addressed to a group of destination computers simultaneously.

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Multichannel Multipoint Distribution Service

Multichannel Multipoint Distribution Service (MMDS), formerly known as Broadband Radio Service (BRS) and also known as Wireless Cable, is a wireless telecommunications technology, used for general-purpose broadband networking or, more commonly, as an alternative method of cable television programming reception.

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Multichannel television sound

Multichannel television sound, better known as MTS (often still as BTSC, for the Broadcast Television Systems Committee that created it), is the method of encoding three additional channels of audio into an analog NTSC-format audio carrier.

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Multiple sub-Nyquist sampling encoding

MUSE (Multiple sub-Nyquist sampling encoding), was a dot-interlaced digital video compression system that used analog modulation for transmission to deliver 1125-line high definition video signals to the home.

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Multiplex (television)

A multiplex or mux (called virtual sub-channel in the United States and Canada, and bouquet in France) is the popular term used for the grouping of program services that are sub-grouped as interleaved data packets for broadcast over a network or modulated multiplexed medium, which are split out at the receiving end.

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National Datacast

National Datacast Incorporated (NDI) is a pioneer in data broadcasting.

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Netflix

Netflix, Inc. is an American over-the-top media services provider, headquartered in Los Gatos, California.

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NHK

is Japan's national public broadcasting organization.

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NTSC

NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.

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Orthogonal frequency-division multiplexing

In telecommunications, orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital data on multiple carrier frequencies.

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PAL

Phase Alternating Line (PAL) is a color encoding system for analogue television used in broadcast television systems in most countries broadcasting at 625-line / 50 field (25 frame) per second (576i).

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Pixel

In digital imaging, a pixel, pel, dots, or picture element is a physical point in a raster image, or the smallest addressable element in an all points addressable display device; so it is the smallest controllable element of a picture represented on the screen.

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Primetime Emmy Award

The Primetime Emmy Award is an American award bestowed by the Academy of Television Arts & Sciences (ATAS) in recognition of excellence in American primetime television programming.

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Proceedings of the IEEE

The Proceedings of the IEEE is a monthly peer-reviewed scientific journal published by the Institute of Electrical and Electronics Engineers (IEEE).

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Program and System Information Protocol

The Program and System Information Protocol (PSIP) is the MPEG (a video and audio industry group) and privately defined program-specific information originally defined by General Instrument for the DigiCipher 2 system and later extended for the ATSC digital television system for carrying metadata about each channel in the broadcast MPEG transport stream of a television station and for publishing information about television programs so that viewers can select what to watch by title and description.

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Progressive scan

Progressive scanning (alternatively referred to as noninterlaced scanning) is a way of displaying, storing, or transmitting moving images in which all the lines of each frame are drawn in sequence.

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Radio

Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.

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Radio spectrum

The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).

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Radio station

A radio station is a set of equipment necessary to carry on communication via radio waves.

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Satellite television

Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly to the viewer's location.

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Second-hand shop

A second-hand shop is a shop which sells goods that are not new.

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Simulcast

Simulcast, a portmanteau of simultaneous broadcast, is the broadcasting of programs or events across more than one medium, or more than one service on the same medium, at exactly the same time (that is, simultaneously).

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Smart card

A smart card, chip card, or integrated circuit card (ICC), is any pocket-sized card that has embedded integrated circuits.

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South Korea

South Korea, officially the Republic of Korea (대한민국; Hanja: 大韓民國; Daehan Minguk,; lit. "The Great Country of the Han People"), is a country in East Asia, constituting the southern part of the Korean Peninsula and lying east to the Asian mainland.

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Standard-definition television

Standard-definition television (SDTV or SD) is a television system which uses a resolution that is not considered to be either high- or enhanced-definition.

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Statistical time-division multiplexing

Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA).

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Streaming television

Streaming television (or streaming TV) is the digital distribution of television content, such as TV shows, as streaming video delivered over the Internet.

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Structural similarity

The structural similarity (SSIM) index is a method for predicting the perceived quality of digital television and cinematic pictures, as well as other kinds of digital images and videos.

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Subwoofer

A subwoofer (or sub) is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass and sub-bass.

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Technology

Technology ("science of craft", from Greek τέχνη, techne, "art, skill, cunning of hand"; and -λογία, -logia) is first robustly defined by Jacob Bigelow in 1829 as: "...principles, processes, and nomenclatures of the more conspicuous arts, particularly those which involve applications of science, and which may be considered useful, by promoting the benefit of society, together with the emolument of those who pursue them".

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Tele-Communications Inc.

Tele-Communications, Inc. (TCI) was a cable television provider in the United States, and for most of its history was controlled by Bob Magness and John Malone.

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Television

Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.

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Television antenna

A television antenna, or TV aerial, is an antenna specifically designed for the reception of over-the-air broadcast television signals, which are transmitted at frequencies from about 41 to 250 MHz in the VHF band, and 470 to 960 MHz in the UHF band in different countries.

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Television channel

A television channel is a broadcast frequency or virtual number over which a television station or television network is distributed.

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Television show

A television show (often simply TV show) is any content produced for broadcast via over-the-air, satellite, cable, or internet and typically viewed on a television set, excluding breaking news, advertisements, or trailers that are typically placed between shows.

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Terrestrial television

Terrestrial or broadcast television is a type of television broadcasting in which the television signal is transmitted by radio waves from the terrestrial (Earth based) transmitter of a television station to a TV receiver having an antenna.

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Text to speech in digital television

Text to speech in digital television refers to digital television products that use speech synthesis (computer generated speech providing a product that “talks” to the end user) to enable access by blind or partially sighted people.

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The Detroit News

The Detroit News is one of the two major newspapers in the U.S. city of Detroit, Michigan.

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University of Texas at San Antonio

The University of Texas at San Antonio (UTSA) is a state research university in San Antonio, Texas, United States.

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Video Multimethod Assessment Fusion

Video Multimethod Assessment Fusion (VMAF) is an objective full-reference video quality metric developed by Netflix in cooperation with the University of Southern California.

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Video on demand

Video on demand is a programming system which allows users to select and watch/listen to video or audio content such as movies and TV shows whenever they choose, rather than at a scheduled broadcast time, the method that prevailed with over-the-air programming during the 20th century.

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Visual Information Fidelity

Visual Information Fidelity (VIF) is a full reference image quality assessment index based on natural scene statistics and the notion of image information extracted by the human visual system.

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WarnerMedia

Warner Media, LLC (formerly Time Warner Inc.), doing business as WarnerMedia, is an American multinational mass media and entertainment conglomerate headquartered in New York City and owned by AT&T.

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WCSH

WCSH is an NBC-affiliated television station licensed to Portland, Maine, United States, serving southern Maine as well as eastern and northern New Hampshire.

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WIPO Copyright Treaty

The World Intellectual Property Organization Copyright Treaty (WIPO Copyright Treaty or WCT) is an international treaty on copyright law adopted by the member states of the World Intellectual Property Organization (WIPO) in 1996.

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1080i

1080i (also known as Full HD or BT.709) is an abbreviation referring to a combination of frame resolution and scan type, used in high-definition television (HDTV) and high-definition video.

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16:9

16:9 (1.7:1) (16:9.

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1seg

is a mobile terrestrial digital audio/video and data broadcasting service in Japan, Argentina, Brazil, Chile, Uruguay, Peru and the Philippines.

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720p

720p (1280×720 px; also called HD Ready or standard HD) is a progressive HDTV signal format with 720 horizontal lines and an aspect ratio (AR) of 16:9, normally known as widescreen HDTV (1.78:1).

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8VSB

8VSB is the modulation method used for broadcast in the ATSC digital television standard.

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Redirects here:

Comparison of analog and digital television, Comparison of digital and analog television, DTV channel protection ratios, DTV channel-protection ratio, Digi-tv, Digital (television), Digital TV, Digital Television, Digital television in Europe, Digital television in europe, Digital television tuner, Digital tv, High-definition television in Europe, Terrestrial Digital Television, Terrestrial digital television.

References

[1] https://en.wikipedia.org/wiki/Digital_television

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