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82 relations: All India Radio, AM broadcasting, Amateur radio, Amplitude modulation, Amplitude modulation signalling system, Atlantic 252, Audio coding format, Australia, Australian Communications and Media Authority, Bandwidth (signal processing), BBC, BBC Radio Devon, BBC World Service, Bit rate, Central processing unit, Channel spacing, Cliff effect, Code-excited linear prediction, Consortium, Craigkelly transmitting station, Datacasting, Deutsche Welle, Digital audio broadcasting, Digital multimedia broadcasting, Digital radio, Digital signal processing, Doppler effect, DVB-H, DVB-T, Edinburgh, Embedded system, ETSI, ETSI Satellite Digital Radio, Federal Communications Commission, Fife, FM broadcasting, Forward error correction, French language, Frequency modulation, Geneva, Harmonic Vector Excitation Coding, HD Radio, Hertz, High frequency, High-Efficiency Advanced Audio Coding, In-band on-channel, International Telecommunication Union, Italian language, ITU Region, Longwave, ..., Medium wave, Metadata, Mobile television, Modulation, MPEG-4, Multi-frequency network, Multipath propagation, Nonprofit organization, Ofcom, Opus (audio format), Orthogonal frequency-division multiplexing, Personal computer, Program-associated data, Quadrature amplitude modulation, Radio Data System, Radio Exterior, Radio France Internationale, Radio Romania International, RNZ International, Shortwave radio, Simulcast, Single-frequency network, Switzerland, TDF Group, Telefunken, Transmitter, Transradio, Unified Speech and Audio Coding, United Kingdom, United States, Vatican Radio, Voice of America. Expand index (32 more) »
All India Radio
All India Radio (AIR), officially known since 1956 as Ākāshvāṇī ("Voice from the Sky") is the national public radio broadcaster of India and a division of Prasar Bharati.
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AM broadcasting
AM broadcasting is a radio broadcasting technology, which employs amplitude modulation (AM) transmissions.
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Amateur radio
Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.
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Amplitude modulation
Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.
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Amplitude modulation signalling system
The amplitude modulation signalling system (AMSS or the AM signalling system) is a digital system for adding low bit rate information to an analogue amplitude modulated broadcast signal in the same manner as the Radio Data System (RDS) for frequency modulated (FM) broadcast signals.
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Atlantic 252
Atlantic 252 was an Irish longwave radio station broadcasting across Ireland and Great Britain on 252 kHz (1190 metres) from its 1988 purpose-built transmission site at Clarkstown radio transmitter, County Meath, which provided service to Atlantic 252 from 1989 until 2002.
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Audio coding format
An audio coding format (or sometimes audio compression format) is a content representation format for storage or transmission of digital audio (such as in digital television, digital radio and in audio and video files).
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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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Australian Communications and Media Authority
The Australian Communications and Media Authority (ACMA) is an Australian Government statutory authority within the Communications portfolio.
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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 Radio Devon
BBC Radio Devon is the BBC Local Radio service for the English county of Devon.
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BBC World Service
The BBC World Service, the world's largest international broadcaster, broadcasts radio and television news, speech and discussions in over 30 languages to many parts of the world on analogue and digital shortwave platforms, Internet streaming, podcasting, satellite, DAB, FM and MW relays.
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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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Central processing unit
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
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Channel spacing
Channel spacing is a term used in radio frequency planning.
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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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Code-excited linear prediction
Code-excited linear prediction (CELP) is a speech coding algorithm originally proposed by M. R. Schroeder and B. S. Atal in 1985.
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Consortium
A consortium is an association of two or more individuals, companies, organizations or governments (or any combination of these entities) with the objective of participating in a common activity or pooling their resources for achieving a common goal.
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Craigkelly transmitting station
The Craigkelly transmitting station is a broadcasting and telecommunications facility located at Craigkelly north of the Firth of Forth above the town of Burntisland in Fife, Scotland.
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Datacasting
Datacasting (data broadcasting) is the broadcasting of data over a wide area via radio waves.
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Deutsche Welle
Deutsche Welle ("German wave" in German) or DW is Germany's public international broadcaster.
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Digital audio broadcasting
Digital audio broadcasting (DAB) is a digital radio standard for broadcasting digital audio radio services, used in many countries across Europe, Asia, and the Pacific.
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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 radio
Digital radio is the use of digital technology to transmit and/or receive across the radio spectrum.
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Digital signal processing
Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations.
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Doppler effect
The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source.
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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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Edinburgh
Edinburgh (Dùn Èideann; Edinburgh) is the capital city of Scotland and one of its 32 council areas.
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Embedded system
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.
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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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ETSI Satellite Digital Radio
ETSI Satellite Digital Radio (SDR or ETSI SDR) describes a standard of satellite digital radio.
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Federal Communications Commission
The Federal Communications Commission (FCC) is an independent agency of the United States government created by statute (and) to regulate interstate communications by radio, television, wire, satellite, and cable.
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Fife
Fife (Fìobha) is a council area and historic county of Scotland.
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FM broadcasting
FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology.
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Forward error correction
In telecommunication, information theory, and coding theory, forward error correction (FEC) or channel coding is a technique used for controlling errors in data transmission over unreliable or noisy communication channels.
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French language
French (le français or la langue française) is a Romance language of the Indo-European family.
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Frequency modulation
In telecommunications and signal processing, frequency modulation (FM) is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave.
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Geneva
Geneva (Genève, Genèva, Genf, Ginevra, Genevra) is the second-most populous city in Switzerland (after Zürich) and the most populous city of the Romandy, the French-speaking part of Switzerland.
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Harmonic Vector Excitation Coding
Harmonic Vector Excitation Coding, abbreviated as HVXC is a speech coding algorithm specified in MPEG-4 Part 3 (MPEG-4 Audio) standard for very low bit rate speech coding.
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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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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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High frequency
High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).
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High-Efficiency Advanced Audio Coding
High-Efficiency Advanced Audio Coding (HE-AAC) is an audio coding format for lossy data compression of digital audio defined as an MPEG-4 Audio profile in ISO/IEC 14496-3.
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In-band on-channel
In-band on-channel (IBOC) is a hybrid method of transmitting digital radio and analog radio broadcast signals simultaneously on the same frequency.
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International Telecommunication Union
The International Telecommunication Union (ITU; Union Internationale des Télécommunications (UIT)), originally the International Telegraph Union (Union Télégraphique Internationale), is a specialized agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.
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Italian language
Italian (or lingua italiana) is a Romance language.
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ITU Region
The International Telecommunication Union (ITU), in its International Radio Regulations, divides the world into three ITU regions for the purposes of managing the global radio spectrum.
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Longwave
In radio, longwave, long wave or long-wave, and commonly abbreviated LW, refers to parts of the radio spectrum with wavelengths longer than what was originally called the medium-wave broadcasting band.
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Medium wave
Medium wave (MW) is the part of the medium frequency (MF) radio band used mainly for AM radio broadcasting.
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Metadata
Metadata is "data that provides information about other data".
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Mobile television
Mobile television is television watched on a small handheld or mobile device.
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Modulation
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.
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MPEG-4
MPEG-4 is a method of defining compression of audio and visual (AV) digital data.
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Multi-frequency network
Data networks, such as wireless communication networks, have to trade off between services customized for a single terminal and services provided to a large number of terminals.
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Multipath propagation
In wireless telecommunications, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more paths.
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Nonprofit organization
A non-profit organization (NPO), also known as a non-business entity or non-profit institution, is dedicated to furthering a particular social cause or advocating for a shared point of view.
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Ofcom
The Office of Communications (Y Swyddfa Gyfathrebiadau), commonly known as Ofcom, is the UK government-approved regulatory and competition authority for the broadcasting, telecommunications and postal industries of the United Kingdom.
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Opus (audio format)
Opus is a lossy audio coding format developed by the Xiph.Org Foundation and standardized by the Internet Engineering Task Force, designed to efficiently code speech and general audio in a single format, while remaining low-latency enough for real-time interactive communication and low-complexity enough for low-end embedded processors.
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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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Personal computer
A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.
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Program-associated data
Program Associated Data (PAD) or Program Service Data (PSD) is the data displayed on many HD Radio and satellite radio receivers.
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Quadrature amplitude modulation
Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used in modern telecommunications to transmit information.
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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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Radio Exterior
Radio Exterior (REE) is a Spanish international radio station operated by Radio Nacional de España and founded in 1942.
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Radio France Internationale
Radio France Internationale generally referred to by its acronym RFI, is a French public radio service that broadcasts in Paris and all over the world.
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Radio Romania International
Radio România Internaţional (Radio România Internaţional, or RRI) is a Romanian radio station owned by the Romanian public radio broadcaster Societatea Română de Radiodifuziune (SRR, the national public radio in Romania) that broadcasts abroad.
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RNZ International
This article is about RNZ's international radio channel.
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Shortwave radio
Shortwave radio is radio transmission using shortwave radio frequencies.
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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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Single-frequency network
A single-frequency network or SFN is a broadcast network where several transmitters simultaneously send the same signal over the same frequency channel.
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Switzerland
Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.
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TDF Group
TDF (which stands for Télédiffusion de France officially renamed TDF in 2004) is a French company which provides radio and television transmission services, services for telecommunications operators, and other multimedia services – digitization of content, encoding, storage, etc.
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Telefunken
Telefunken was a German radio and television apparatus company, founded in Berlin in 1903, as a joint venture of Siemens & Halske and the Allgemeine Elektricitäts-Gesellschaft (AEG) (General electricity company).
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Transmitter
In electronics and telecommunications, a transmitter or radio transmitter is an electronic device which produces radio waves with an antenna.
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Transradio
Transradio is a German radio communication systems producer, specialised in research, development and design of AM, VHF/FM and DRM broadcasting systems.
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Unified Speech and Audio Coding
Unified Speech and Audio Coding (USAC) is an audio compression format and codec for both music and speech or any mix of speech and audio using very low bit rates between 12 and 64 kbit/s.
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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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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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Vatican Radio
Vatican Radio (Radio Vaticana; Statio Radiophonica Vaticana) is the official broadcasting service of the Vatican.
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Voice of America
Voice of America (VOA) is a U.S. government-funded international radio broadcast source that serves as the United States federal government's official institution for non-military, external broadcasting.
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Redirects here:
DRM Plus, DRM+, Digital Radio Worldwide, Digital radio mondiale.
References
[1] https://en.wikipedia.org/wiki/Digital_Radio_Mondiale
