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Teletext

Index Teletext

Teletext (or broadcast teletext) is a television information retrieval service created in the United Kingdom in the early 1970s by the Philips Lead Designer for VDUs, John Adams. [1]

105 relations: Analog television, Antiope (teletext), ASCII, Associated Press, Austext, Australia, Bandwidth (computing), Bandwidth (signal processing), BBC, BBC Micro, Binary file, Bit numbering, Broadcasting (networking), BT Group, CBS, Ceefax, CEPT Recommendation T/CD 06-01, Closed captioning, CNN International, Composite video, Crowdsourcing, Data-rate units, Department of Canadian Heritage, Digital switchover dates in the United Kingdom, Digital television, Digital terrestrial television, Digital Video Broadcasting, Digitiser, EIA-608, Electra (teletext), Electronic program guide, Electronics World, ETSI, Europe, ExtraVision, General Post Office, Hamming code, Hexadecimal, Independent Television Authority, InfoWorld, Internet, Italy, ITU-R, KSL-TV, KTTV, La7, List of teletext services, Mediacorp, MediaCorp Teletext, Mediavideo, ..., MHEG-5, Minitel, MTV (Italy), Mullard SAA5050, Multimedia Home Platform, NABTS, NAPLPS, NBC, New Zealand, NexTView, Non-return-to-zero, Norpak, NTSC, Online chat, ORACLE (teletext), PAL, Parity bit, Park Avenue (teletext soap), Philips, Philips P2000, Prestel, Programme Delivery Control, Radio Data System, Random-access memory, Raspberry Pi, RSS, Salt Lake City, SECAM, Semigraphics, September 11 attacks, Set-top box, Seven Network, Singapore, Standardization, SubRip, Subtitle (captioning), TBS (U.S. TV channel), Telephone, Telesoftware, Teletext systems, Televideo (teletext), Television, Television New Zealand, Telidon, Transistor–transistor logic, United Kingdom, Vertical blanking interval, Video capture, Videotex, Viewdata, WFLD, World System Teletext, World Wide Web, 2010, 2014. Expand index (55 more) »

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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Antiope (teletext)

Antiope was a French teletext standard in the 1980s.

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ASCII

ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

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Associated Press

The Associated Press (AP) is a U.S.-based not-for-profit news agency headquartered in New York City.

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Austext

Austext is the former Australian teletext service based in Brisbane, Queensland.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Bandwidth (computing)

In computing, bandwidth is the maximum rate of data transfer across a given path.

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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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BBC

The British Broadcasting Corporation (BBC) is a British public service broadcaster.

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BBC Micro

The British Broadcasting Corporation Microcomputer System, or BBC Micro, is a series of microcomputers and associated peripherals designed and built by the Acorn Computer company for the BBC Computer Literacy Project, operated by the British Broadcasting Corporation.

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Binary file

A binary file is a computer file that is not a text file.

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Bit numbering

In computing, bit numbering (or sometimes bit endianness) is the convention used to identify the bit positions in a binary number or a container for such a value.

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Broadcasting (networking)

In computer networking, telecommunication and information theory, broadcasting is a method of transferring a message to all recipients simultaneously.

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BT Group

BT Group plc (trading as BT and formerly British Telecom) is a British multinational telecommunications holding company with head offices in London, United Kingdom.

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CBS

CBS (an initialism of the network's former name, the Columbia Broadcasting System) is an American English language commercial broadcast television network that is a flagship property of CBS Corporation.

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Ceefax

Ceefax was the world's first teletext information service and a forerunner to the current BBC Red Button service.

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CEPT Recommendation T/CD 06-01

CEPT Recommendation T/CD 06-01 was a standard set in 1981 by the European Conference of Postal and Telecommunications Administrations (CEPT) for the display of Videotex; specifically, for the Videotex Presentation Layer Data Syntax.

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Closed captioning

Closed captioning (CC) and subtitling are both processes of displaying text on a television, video screen, or other visual display to provide additional or interpretive information.

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CNN International

CNN International (CNNI), simply referred to on the channel as CNN, is an international 24-hour English language cable, satellite, IPTV and digital terrestrial television channel that is operated by CNN.

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Composite video

Composite video (one channel) is an analog video transmission (without audio) that carries standard definition video typically at 480i or 576i resolution.

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Crowdsourcing

Crowdsourcing is a sourcing model in which individuals or organizations obtain goods and services.

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Data-rate units

In telecommunications, data-transfer rate is the average number of bits (bitrate), characters or symbols (baudrate), or data blocks per unit time passing through a communication link in a data-transmission system.

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Department of Canadian Heritage

The Department of Canadian Heritage, or simply Canadian Heritage (Patrimoine canadien), is the department of the Government of Canada with responsibility for policies and programs regarding the arts, culture, media, communications networks, official languages, status of women, sports, and multiculturalism.

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Digital switchover dates in the United Kingdom

The digital switchover is the name given to the process by which analogue terrestrial television in the United Kingdom was replaced with digital terrestrial television.

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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.

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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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Digitiser

Digitiser was a video games magazine that was broadcast on Teletext in the UK between 1993 and 2003.

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EIA-608

EIA-608, also known as "line 21 captions" and "CEA-608", used to be the standard for closed captioning for NTSC TV broadcasts in the United States, Canada and Mexico.

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Electra (teletext)

Electra was a teletext service in the United States that was in operation from the early 1980s up until 1993, when it was shut down due to a lack of funding, and discontinuation of teletext-capable television sets by the only US television manufacturer offering teletext capability at the time, Zenith.

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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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Electronics World

Electronics World (Wireless World, founded in 1913, and in September 1984 renamed Electronics & Wireless World) is a technical magazine in electronics and RF engineering aimed at professional design engineers.

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ETSI

The European Telecommunications Standards Institute (ETSI) is an independent, not-for-profit, standardization organization in the telecommunications industry (equipment makers and network operators) in Europe, headquartered in Sophia-Antipolis, France, with worldwide projection.

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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ExtraVision

ExtraVision was a short-lived teletext service created and operated by the American television network CBS in the early to mid-1980s.

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General Post Office

The General Post Office (GPO) was officially established in England in 1660 by Charles II and it eventually grew to combine the functions of state postal system and telecommunications carrier.

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Hamming code

In telecommunication, Hamming codes are a family of linear error-correcting codes.

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Hexadecimal

In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.

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Independent Television Authority

The Independent Television Authority (ITA) is a defunct agency created by the Television Act 1954 to supervise the creation of "Independent Television" (ITV), the first commercial television network in the United Kingdom.

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InfoWorld

InfoWorld (formerly The Intelligent Machines Journal) is an information technology media business.

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Internet

The Internet is the global system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link devices worldwide.

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Italy

Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.

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ITU-R

The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communication.

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KSL-TV

KSL-TV, virtual channel 5 (UHF digital channel 38), is an NBC-affiliated television station licensed to Salt Lake City, Utah, United States.

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KTTV

KTTV, virtual and VHF digital channel 11, is a Fox owned-and-operated television station located in Los Angeles, California, United States.

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La7

La7 is an Italian private television channel owned by Cairo Communication.

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List of teletext services

This is an incomplete list of teletext services available on different television channels around the world.

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Mediacorp

Mediacorp Pte.

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MediaCorp Teletext

MediaCorp Teletext was a Singaporean teletext information service provided by MediaCorp.

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Mediavideo

Mediavideo is the teletext service broadcast on the primary Mediaset television channels (Rete 4, Canale 5, Italia 1) in Italy.

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MHEG-5

MHEG-5, or ISO/IEC 13522-5, is part of a set of international standards relating to the presentation of multimedia information, standardised by the Multimedia and Hypermedia Experts Group (MHEG).

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Minitel

The Minitel was a Videotex online service accessible through telephone lines, and is considered one of the world's most successful pre-World Wide Web online services.

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MTV (Italy)

MTV is the Italian-speaking version of the popular 24-hour music and youth entertainment channel.

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Mullard SAA5050

The Mullard SAA5050 was a character generator chip for implementing the Teletext character set.

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Multimedia Home Platform

Multimedia Home Platform (DVB-MHP) is an open middleware system standard designed by the DVB project for interactive digital television.

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NABTS

NABTS, the North American Broadcast Teletext Specification, is a protocol used for encoding NAPLPS-encoded teletext pages, as well as other types of digital data, within the vertical blanking interval (VBI) of an analog video signal.

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NAPLPS

NAPLPS (North American Presentation Level Protocol Syntax) is a graphics language for use originally with videotex and teletext services.

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NBC

The National Broadcasting Company (NBC) is an American English language commercial broadcast television network that is a flagship property of NBCUniversal, a subsidiary of Comcast.

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New Zealand

New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.

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NexTView

NexTView was an electronic program guide for the analog domain, based on Teletext.

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Non-return-to-zero

In telecommunication, a non-return-to-zero (NRZ) line code is a binary code in which ones are represented by one significant condition, usually a positive voltage, while zeros are represented by some other significant condition, usually a negative voltage, with no other neutral or rest condition.

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Norpak

Norpak Corporation was a company headquartered in Kanata, Ontario, Canada, that specialized in the development of systems for television-based data transmission.

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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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Online chat

Online chat may refer to any kind of communication over the Internet that offers a real-time transmission of text messages from sender to receiver.

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ORACLE (teletext)

ORACLE (from "Optional Reception of Announcements by Coded Line Electronics") was a commercial teletext service first broadcast on the ITV network in the mid-late 1970s and later on Channel 4 in the United Kingdom, finally ending on both channels at 23:59 UTC on 31 December 1992.

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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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Parity bit

A parity bit, or check bit, is a bit added to a string of binary code to ensure that the total number of 1-bits in the string is even or odd.

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Park Avenue (teletext soap)

Park Avenue was a daily teletext based soap opera on ITV's ORACLE Teletext service, which was written by Robbie Burns.

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Philips

Koninklijke Philips N.V. (Philips, stylized as PHILIPS) is a Dutch multinational technology company headquartered in Amsterdam currently focused in the area of healthcare.

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Philips P2000

The Philips P2000T home computer was Philips' first real entry in the home computer market, after the Philips Videopac G7000 game system (better known in the U.S. as the Magnavox Odyssey2) which they already sold to compete with the Atari 2600 and similar game systems.

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Prestel

Prestel (abbrev. from press telephone), the brand name for the UK Post Office's Viewdata technology, was an interactive videotex system developed during the late 1970s and commercially launched in 1979.

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Programme Delivery Control

Programme delivery control (PDC) is specified by the standard ETS 300 231 (ETSI EN 300 231), published by the European Telecommunications Standards Institute (ETSI).

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Radio Data System

Radio Data System (RDS) is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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Raspberry Pi

The Raspberry Pi is a series of small single-board computers developed in the United Kingdom by the Raspberry Pi Foundation to promote the teaching of basic computer science in schools and in developing countries.

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RSS

RSS (Rich Site Summary; originally RDF Site Summary; often called Really Simple Syndication) is a type of web feed which allows users to access updates to online content in a standardized, computer-readable format.

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Salt Lake City

Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the capital and the most populous municipality of the U.S. state of Utah.

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SECAM

SECAM, also written SÉCAM (Séquentiel couleur à mémoire, French for "Sequential colour with memory"), is an analogue color television system first used in France.

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Semigraphics

Text-based semigraphics or pseudographics is a primitive method used in early text mode video hardware to emulate raster graphics without having to implement the logic for such a display mode.

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September 11 attacks

The September 11, 2001 attacks (also referred to as 9/11) were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.

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Set-top box

A set-top box (STB) or set-top unit (STU) (one type also colloquially known as a cable box) is an information appliance device that generally contains a TV-tuner input and displays output to a television set and an external source of signal, turning the source signal into content in a form that then be displayed on the television screen or other display device.

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Seven Network

The Seven Network (commonly known as Channel Seven or simply Seven) is a major Australian commercial free-to-air television network.

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Singapore

Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia.

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Standardization

Standardization or standardisation is the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organizations and governments Standardization can help to maximize compatibility, interoperability, safety, repeatability, or quality.

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SubRip

SubRip is a free software program for Windows which "rips" (extracts) subtitles and their timings from video.

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Subtitle (captioning)

Subtitles are text derived from either a transcript or screenplay of the dialog or commentary in films, television programs, video games, and the like, usually displayed at the bottom of the screen, but can also be at the top of the screen if there is already text at the bottom of the screen.

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TBS (U.S. TV channel)

TBS is an American basic cable and satellite television channel owned by Turner Broadcasting System.

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Telephone

A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.

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Telesoftware

The term telesoftware was coined by W.J.G. Overington who first proposed the idea; it literally means “software at a distance” and it refers to the transmission of programs for a microprocessor or home computer via broadcast teletext.

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Teletext systems

Teletext (or "broadcast teletext") is a television information retrieval service developed in the United Kingdom in the early 1970s.

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Televideo (teletext)

Televideo is the teletext service broadcast on all RAI television channels in Italy, and also available in its entirety on the Internet.

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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 New Zealand

Television New Zealand (Te Reo Tātaki o Aotearoa), more commonly referred to as TVNZ, is a state-owned television network that is broadcast throughout New Zealand and parts of the Pacific region.

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Telidon

Telidon (from the Greek words τῆλε, tele "at a distance" and ἰδών, idon "seeing") was a videotex/teletext service developed by the Canadian Communications Research Centre (CRC) during the late 1970s and supported by commercial enterprises led by Infomart in the early 1980s.

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Transistor–transistor logic

Transistor–transistor logic (TTL) is a logic family built from bipolar junction transistors.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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Vertical blanking interval

In a raster graphics display, the vertical blanking interval (VBI), also known as the vertical interval or VBLANK, is the time between the end of the final line of a frame or field and the beginning of the first line of the next frame.

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Video capture

Video capture is the process of converting an analog video signal—such as that produced by a video camera, DVD player, or television tuner—to digital video and sending it to local storage or to external circuitry.

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Videotex

Videotex (or "interactive videotex") was one of the earliest implementations of an end-user information system.

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Viewdata

Viewdata is a Videotex implementation.

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WFLD

WFLD, virtual channel 32 (UHF digital channel 31), is a Fox owned-and-operated television station licensed to Chicago, Illinois, United States.

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World System Teletext

World System Teletext (or WST) is the name of a standard for encoding and displaying teletext information, which is used as the standard for teletext throughout Europe today.

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World Wide Web

The World Wide Web (abbreviated WWW or the Web) is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and accessible via the Internet.

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2010

2010 was designated as.

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2014

2014 was designated as.

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Redirects here:

Computer Controlled Teletext, Digital teletext, Enhanced Computer Controlled Teletext, Fastext, HiText, Text-tv, VBI Teletext, VBI teletext.

References

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

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