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Broadcasting
Broadcasting is the distributionDistribution may refer to: Mathematics *Distribution (mathematics) Distributions, also known as Schwartz distributions or generalized functions, are objects that generalize the classical notion of functions in mathematical analysis. Distr ... of audio Audio most commonly refers to sound In physics Physics (from grc, φυσική (ἐπιστήμη), physikḗ (epistḗmē), knowledge of nature, from ''phýsis'' 'nature'), , is the natural science that studies matter, its Motion ( ... or video content to a dispersed audience An audience is a group of people who participate in a show or encounter a work of art A work of art, artwork, art piece, piece of art or art object is an artistic creation of aesthetics, aesthetic value. Except for "work of ... via any electronic mass communications medium, but typically one using the electromagnetic spectrum The electromagnetic spectrum is the range of f ...
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Public Radio
Public broadcasting involves radio Radio is the technology of signaling and telecommunication, communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device ..., television Television (TV), sometimes shortened to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can refer to a te ... and other electronic media outlets whose primary mission is public service A public service is a service Service may refer to: Activities :''(See the Religion section for religious activities)'' * Administrative service, a required part of the workload of university faculty * Civil service The civil service is a col .... In many countries of the world, fundingFunding is the act of providing resources to finance a need, program, or ...
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Public Television
Public broadcasting involves radio Radio is the technology of signaling and telecommunication, communicating using radio waves. Radio waves are electromagnetic waves of frequency between 30 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device ..., television Television (TV), sometimes shortened to tele or telly, is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound. The term can refer to a te ... and other electronic media outlets whose primary mission is public service A public service is a service Service may refer to: Activities :''(See the Religion section for religious activities)'' * Administrative service, a required part of the workload of university faculty * Civil service The civil service is a col .... In many countries of the world, fundingFunding is the act of providing resources to finance a need, program, or ...
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Community Radio
Community radio is a radio service offering a third model of radio broadcasting in addition to commercial broadcasting, commercial and public broadcasting. Community stations serve geographic communities and communities of interest. They broadcast content that is popular and relevant to a local, specific audience but is often overlooked by commercial or mass-media broadcasters. Community radio stations are operated, owned, and influenced by the communities they serve. They are generally Nonprofit organization, nonprofit and provide a mechanism for enabling individuals, groups, and communities to tell their own stories, to share experiences and, in a media-rich world, to become creators and contributors of media. In many parts of the world, community radio acts as a vehicle for the community and voluntary sector, civil society, agencies, NGOs and citizens to work in partnership to further community development aims, in addition to broadcasting. There is legally defined community radi ...
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AM Radio
AM broadcasting is radio broadcasting , Sweden , Norway Radio broadcasting is transmission of audio signal, audio (sound), sometimes with related metadata, by radio waves intended to reach a wide audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-ba ... using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave Medium wave (MW) is the part of the medium frequency Medium frequency (MF) is the ITU designation for radio frequencies (RF) in the range of 300  kilohertz (kHz) to 3  megahertz (MHz). Part of this band is the medium wave (M ... (also known as "AM band") transmissions, but also on the 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. Th ...
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Television
Television, sometimes shortened to TV or telly, is a telecommunication Media (communication), medium used for transmitting moving images in grayscale, black-and-white or in color, and in two or 3D television, three dimensions and sound. The term can refer to a television set, a television show, or the medium of Transmission (telecommunications), television transmission. Television is a mass medium for advertising, entertainment, news, and sports. Television became available in crude experimental forms in the late 1920s, but it would still be several years before the new technology would be marketed to consumers. After World War II, an improved form of black-and-white television broadcasting became popular in the United Kingdom and United States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion.Diggs-Brown, Barbara (2011''Strategic Public Relations: Audience Focuse ...
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Commercial Television
Commercial broadcasting (also called private broadcasting) is the broadcasting Broadcasting is the distributionDistribution may refer to: Mathematics *Distribution (mathematics) Distributions, also known as Schwartz distributions or generalized functions, are objects that generalize the classical notion of functi ... of television program A television show – or simply TV show – is any content produced for viewing on a which can be broadcast via , , or , excluding , , or that are typically placed between shows. Television shows are most often well ahead of time and appear o ...s and radio programming Radio programming is the process of organising a schedule of radio content for commercial broadcasting Commercial broadcasting (also called private broadcasting) is the broadcasting Broadcasting is the distribution (business), distribution ... by privately owned corporate media, as opposed to state sponsorship. It was the United States′ first model o ...
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